diff --git a/internal/checker/grammarchecks.go b/internal/checker/grammarchecks.go
index 7e1f23d508..c723edc3fc 100644
--- a/internal/checker/grammarchecks.go
+++ b/internal/checker/grammarchecks.go
@@ -1419,7 +1419,17 @@ func (c *Checker) checkGrammarTypeOperatorNode(node *ast.TypeOperatorNode) bool
 }
 
 func (c *Checker) checkGrammarForInvalidDynamicName(node *ast.DeclarationName, message *diagnostics.Message) bool {
-	if c.isNonBindableDynamicName(node) {
+	if !c.isNonBindableDynamicName(node) {
+		return false
+	}
+	var expression *ast.Node
+	if ast.IsElementAccessExpression(node) {
+		expression = ast.SkipParentheses(node.AsElementAccessExpression().ArgumentExpression)
+	} else {
+		expression = node.Expression()
+	}
+
+	if !ast.IsEntityNameExpression(expression) {
 		return c.grammarErrorOnNode(node, message)
 	}
 
diff --git a/testdata/baselines/reference/submodule/compiler/capturedParametersInInitializers2.errors.txt b/testdata/baselines/reference/submodule/compiler/capturedParametersInInitializers2.errors.txt
index 7f7e502bfb..0576ba7b95 100644
--- a/testdata/baselines/reference/submodule/compiler/capturedParametersInInitializers2.errors.txt
+++ b/testdata/baselines/reference/submodule/compiler/capturedParametersInInitializers2.errors.txt
@@ -1,11 +1,10 @@
 capturedParametersInInitializers2.ts(3,20): error TS2373: Parameter 'y' cannot reference identifier 'x' declared after it.
 capturedParametersInInitializers2.ts(4,14): error TS2373: Parameter 'y' cannot reference identifier 'x' declared after it.
 capturedParametersInInitializers2.ts(6,10): error TS2373: Parameter 'y' cannot reference identifier 'z' declared after it.
-capturedParametersInInitializers2.ts(13,26): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 capturedParametersInInitializers2.ts(13,27): error TS2373: Parameter 'y' cannot reference identifier 'x' declared after it.
 
 
-==== capturedParametersInInitializers2.ts (5 errors) ====
+==== capturedParametersInInitializers2.ts (4 errors) ====
     function foo(
         y = class {
             static c = x;
@@ -25,8 +24,6 @@ capturedParametersInInitializers2.ts(13,27): error TS2373: Parameter 'y' cannot
         y.c
     }
     function foo2(y = class {[x] = x}, x = 1) {
-                             ~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
                               ~
 !!! error TS2373: Parameter 'y' cannot reference identifier 'x' declared after it.
     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/compiler/capturedParametersInInitializers2.errors.txt.diff b/testdata/baselines/reference/submodule/compiler/capturedParametersInInitializers2.errors.txt.diff
deleted file mode 100644
index 159e922560..0000000000
--- a/testdata/baselines/reference/submodule/compiler/capturedParametersInInitializers2.errors.txt.diff
+++ /dev/null
@@ -1,24 +0,0 @@
---- old.capturedParametersInInitializers2.errors.txt
-+++ new.capturedParametersInInitializers2.errors.txt
-@@= skipped -0, +0 lines =@@
- capturedParametersInInitializers2.ts(3,20): error TS2373: Parameter 'y' cannot reference identifier 'x' declared after it.
- capturedParametersInInitializers2.ts(4,14): error TS2373: Parameter 'y' cannot reference identifier 'x' declared after it.
- capturedParametersInInitializers2.ts(6,10): error TS2373: Parameter 'y' cannot reference identifier 'z' declared after it.
-+capturedParametersInInitializers2.ts(13,26): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- capturedParametersInInitializers2.ts(13,27): error TS2373: Parameter 'y' cannot reference identifier 'x' declared after it.
-
-
--==== capturedParametersInInitializers2.ts (4 errors) ====
-+==== capturedParametersInInitializers2.ts (5 errors) ====
-     function foo(
-         y = class {
-             static c = x;
-@@= skipped -23, +24 lines =@@
-         y.c
-     }
-     function foo2(y = class {[x] = x}, x = 1) {
-+                             ~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-                               ~
- !!! error TS2373: Parameter 'y' cannot reference identifier 'x' declared after it.
-     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/compiler/complicatedPrivacy.errors.txt b/testdata/baselines/reference/submodule/compiler/complicatedPrivacy.errors.txt
index 4f493474e6..0131f5117a 100644
--- a/testdata/baselines/reference/submodule/compiler/complicatedPrivacy.errors.txt
+++ b/testdata/baselines/reference/submodule/compiler/complicatedPrivacy.errors.txt
@@ -1,10 +1,9 @@
 complicatedPrivacy.ts(11,24): error TS1054: A 'get' accessor cannot have parameters.
-complicatedPrivacy.ts(35,5): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
 complicatedPrivacy.ts(35,6): error TS2693: 'number' only refers to a type, but is being used as a value here.
 complicatedPrivacy.ts(73,55): error TS2694: Namespace 'mglo5' has no exported member 'i6'.
 
 
-==== complicatedPrivacy.ts (4 errors) ====
+==== complicatedPrivacy.ts (3 errors) ====
     module m1 {
         export module m2 {
     
@@ -42,8 +41,6 @@ complicatedPrivacy.ts(73,55): error TS2694: Namespace 'mglo5' has no exported me
         export function f4(arg1: 
         {
         [number]: C1; // Used to be indexer, now it is a computed property
-        ~~~~~~~~
-!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
          ~~~~~~
 !!! error TS2693: 'number' only refers to a type, but is being used as a value here.
         }) {
diff --git a/testdata/baselines/reference/submodule/compiler/complicatedPrivacy.errors.txt.diff b/testdata/baselines/reference/submodule/compiler/complicatedPrivacy.errors.txt.diff
deleted file mode 100644
index f9a416ec62..0000000000
--- a/testdata/baselines/reference/submodule/compiler/complicatedPrivacy.errors.txt.diff
+++ /dev/null
@@ -1,23 +0,0 @@
---- old.complicatedPrivacy.errors.txt
-+++ new.complicatedPrivacy.errors.txt
-@@= skipped -0, +0 lines =@@
- complicatedPrivacy.ts(11,24): error TS1054: A 'get' accessor cannot have parameters.
-+complicatedPrivacy.ts(35,5): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
- complicatedPrivacy.ts(35,6): error TS2693: 'number' only refers to a type, but is being used as a value here.
- complicatedPrivacy.ts(73,55): error TS2694: Namespace 'mglo5' has no exported member 'i6'.
-
-
--==== complicatedPrivacy.ts (3 errors) ====
-+==== complicatedPrivacy.ts (4 errors) ====
-     module m1 {
-         export module m2 {
-     
-@@= skipped -40, +41 lines =@@
-         export function f4(arg1: 
-         {
-         [number]: C1; // Used to be indexer, now it is a computed property
-+        ~~~~~~~~
-+!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
-          ~~~~~~
- !!! error TS2693: 'number' only refers to a type, but is being used as a value here.
-         }) {
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/compiler/declarationEmitComputedPropertyNameEnum2.errors.txt b/testdata/baselines/reference/submodule/compiler/declarationEmitComputedPropertyNameEnum2.errors.txt
index bef0d0f635..e757df4afd 100644
--- a/testdata/baselines/reference/submodule/compiler/declarationEmitComputedPropertyNameEnum2.errors.txt
+++ b/testdata/baselines/reference/submodule/compiler/declarationEmitComputedPropertyNameEnum2.errors.txt
@@ -1,11 +1,8 @@
-type.ts(1,28): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
 type.ts(1,29): error TS2304: Cannot find name 'Enum'.
 
 
-==== type.ts (2 errors) ====
+==== type.ts (1 errors) ====
     export type Type = { x?: { [Enum.A]: 0 } };
-                               ~~~~~~~~
-!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
                                 ~~~~
 !!! error TS2304: Cannot find name 'Enum'.
     
diff --git a/testdata/baselines/reference/submodule/compiler/declarationEmitComputedPropertyNameEnum2.errors.txt.diff b/testdata/baselines/reference/submodule/compiler/declarationEmitComputedPropertyNameEnum2.errors.txt.diff
deleted file mode 100644
index e59bb3d51b..0000000000
--- a/testdata/baselines/reference/submodule/compiler/declarationEmitComputedPropertyNameEnum2.errors.txt.diff
+++ /dev/null
@@ -1,15 +0,0 @@
---- old.declarationEmitComputedPropertyNameEnum2.errors.txt
-+++ new.declarationEmitComputedPropertyNameEnum2.errors.txt
-@@= skipped -0, +0 lines =@@
-+type.ts(1,28): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
- type.ts(1,29): error TS2304: Cannot find name 'Enum'.
-
-
--==== type.ts (1 errors) ====
-+==== type.ts (2 errors) ====
-     export type Type = { x?: { [Enum.A]: 0 } };
-+                               ~~~~~~~~
-+!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
-                                 ~~~~
- !!! error TS2304: Cannot find name 'Enum'.
-     
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/compiler/declarationEmitComputedPropertyNameEnum3.errors.txt b/testdata/baselines/reference/submodule/compiler/declarationEmitComputedPropertyNameEnum3.errors.txt
index a960f11f4c..0762563c15 100644
--- a/testdata/baselines/reference/submodule/compiler/declarationEmitComputedPropertyNameEnum3.errors.txt
+++ b/testdata/baselines/reference/submodule/compiler/declarationEmitComputedPropertyNameEnum3.errors.txt
@@ -1,8 +1,7 @@
-type.ts(7,28): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
 type.ts(7,28): error TS2464: A computed property name must be of type 'string', 'number', 'symbol', or 'any'.
 
 
-==== type.ts (2 errors) ====
+==== type.ts (1 errors) ====
     export namespace Foo {
       export enum Enum {
         A = "a",
@@ -11,8 +10,6 @@ type.ts(7,28): error TS2464: A computed property name must be of type 'string',
     }
     export type Type = { x?: { [Foo.Enum]: 0 } };
                                ~~~~~~~~~~
-!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
-                               ~~~~~~~~~~
 !!! error TS2464: A computed property name must be of type 'string', 'number', 'symbol', or 'any'.
     
 ==== index.ts (0 errors) ====
diff --git a/testdata/baselines/reference/submodule/compiler/declarationEmitComputedPropertyNameEnum3.errors.txt.diff b/testdata/baselines/reference/submodule/compiler/declarationEmitComputedPropertyNameEnum3.errors.txt.diff
deleted file mode 100644
index 7c948e95d6..0000000000
--- a/testdata/baselines/reference/submodule/compiler/declarationEmitComputedPropertyNameEnum3.errors.txt.diff
+++ /dev/null
@@ -1,21 +0,0 @@
---- old.declarationEmitComputedPropertyNameEnum3.errors.txt
-+++ new.declarationEmitComputedPropertyNameEnum3.errors.txt
-@@= skipped -0, +0 lines =@@
-+type.ts(7,28): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
- type.ts(7,28): error TS2464: A computed property name must be of type 'string', 'number', 'symbol', or 'any'.
-
-
--==== type.ts (1 errors) ====
-+==== type.ts (2 errors) ====
-     export namespace Foo {
-       export enum Enum {
-         A = "a",
-@@= skipped -8, +9 lines =@@
-       }
-     }
-     export type Type = { x?: { [Foo.Enum]: 0 } };
-+                               ~~~~~~~~~~
-+!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
-                                ~~~~~~~~~~
- !!! error TS2464: A computed property name must be of type 'string', 'number', 'symbol', or 'any'.
-     
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/compiler/declarationEmitMultipleComputedNamesSameDomain.errors.txt b/testdata/baselines/reference/submodule/compiler/declarationEmitMultipleComputedNamesSameDomain.errors.txt
deleted file mode 100644
index 67a020a4b4..0000000000
--- a/testdata/baselines/reference/submodule/compiler/declarationEmitMultipleComputedNamesSameDomain.errors.txt
+++ /dev/null
@@ -1,13 +0,0 @@
-declarationEmitMultipleComputedNamesSameDomain.ts(5,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-
-
-==== declarationEmitMultipleComputedNamesSameDomain.ts (1 errors) ====
-    declare const x: string;
-    declare const y: "y";
-    
-    export class Test {
-        [x] = 10;
-        ~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-        [y] = 10;
-    }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/compiler/declarationEmitMultipleComputedNamesSameDomain.errors.txt.diff b/testdata/baselines/reference/submodule/compiler/declarationEmitMultipleComputedNamesSameDomain.errors.txt.diff
deleted file mode 100644
index c4ffb258f2..0000000000
--- a/testdata/baselines/reference/submodule/compiler/declarationEmitMultipleComputedNamesSameDomain.errors.txt.diff
+++ /dev/null
@@ -1,17 +0,0 @@
---- old.declarationEmitMultipleComputedNamesSameDomain.errors.txt
-+++ new.declarationEmitMultipleComputedNamesSameDomain.errors.txt
-@@= skipped -0, +0 lines =@@
--<no content>
-+declarationEmitMultipleComputedNamesSameDomain.ts(5,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-+
-+
-+==== declarationEmitMultipleComputedNamesSameDomain.ts (1 errors) ====
-+    declare const x: string;
-+    declare const y: "y";
-+    
-+    export class Test {
-+        [x] = 10;
-+        ~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-+        [y] = 10;
-+    }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/compiler/decoratorsOnComputedProperties.errors.txt b/testdata/baselines/reference/submodule/compiler/decoratorsOnComputedProperties.errors.txt
index 9648cb6502..a035483e36 100644
--- a/testdata/baselines/reference/submodule/compiler/decoratorsOnComputedProperties.errors.txt
+++ b/testdata/baselines/reference/submodule/compiler/decoratorsOnComputedProperties.errors.txt
@@ -1,9 +1,6 @@
 decoratorsOnComputedProperties.ts(18,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 decoratorsOnComputedProperties.ts(19,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 decoratorsOnComputedProperties.ts(20,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-decoratorsOnComputedProperties.ts(21,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-decoratorsOnComputedProperties.ts(22,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-decoratorsOnComputedProperties.ts(23,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 decoratorsOnComputedProperties.ts(27,5): error TS1206: Decorators are not valid here.
 decoratorsOnComputedProperties.ts(28,5): error TS1206: Decorators are not valid here.
 decoratorsOnComputedProperties.ts(29,5): error TS1206: Decorators are not valid here.
@@ -11,15 +8,11 @@ decoratorsOnComputedProperties.ts(30,5): error TS1206: Decorators are not valid
 decoratorsOnComputedProperties.ts(35,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 decoratorsOnComputedProperties.ts(36,5): error TS1206: Decorators are not valid here.
 decoratorsOnComputedProperties.ts(37,5): error TS1206: Decorators are not valid here.
-decoratorsOnComputedProperties.ts(38,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 decoratorsOnComputedProperties.ts(39,5): error TS1206: Decorators are not valid here.
 decoratorsOnComputedProperties.ts(40,5): error TS1206: Decorators are not valid here.
 decoratorsOnComputedProperties.ts(52,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 decoratorsOnComputedProperties.ts(53,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 decoratorsOnComputedProperties.ts(54,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-decoratorsOnComputedProperties.ts(55,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-decoratorsOnComputedProperties.ts(56,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-decoratorsOnComputedProperties.ts(57,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 decoratorsOnComputedProperties.ts(62,5): error TS1206: Decorators are not valid here.
 decoratorsOnComputedProperties.ts(63,5): error TS1206: Decorators are not valid here.
 decoratorsOnComputedProperties.ts(64,5): error TS1206: Decorators are not valid here.
@@ -27,15 +20,11 @@ decoratorsOnComputedProperties.ts(65,5): error TS1206: Decorators are not valid
 decoratorsOnComputedProperties.ts(70,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 decoratorsOnComputedProperties.ts(71,5): error TS1206: Decorators are not valid here.
 decoratorsOnComputedProperties.ts(72,5): error TS1206: Decorators are not valid here.
-decoratorsOnComputedProperties.ts(73,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 decoratorsOnComputedProperties.ts(74,5): error TS1206: Decorators are not valid here.
 decoratorsOnComputedProperties.ts(75,5): error TS1206: Decorators are not valid here.
 decoratorsOnComputedProperties.ts(88,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 decoratorsOnComputedProperties.ts(89,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 decoratorsOnComputedProperties.ts(90,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-decoratorsOnComputedProperties.ts(92,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-decoratorsOnComputedProperties.ts(93,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-decoratorsOnComputedProperties.ts(94,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 decoratorsOnComputedProperties.ts(98,5): error TS1206: Decorators are not valid here.
 decoratorsOnComputedProperties.ts(99,5): error TS1206: Decorators are not valid here.
 decoratorsOnComputedProperties.ts(100,5): error TS1206: Decorators are not valid here.
@@ -43,15 +32,11 @@ decoratorsOnComputedProperties.ts(101,5): error TS1206: Decorators are not valid
 decoratorsOnComputedProperties.ts(106,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 decoratorsOnComputedProperties.ts(107,5): error TS1206: Decorators are not valid here.
 decoratorsOnComputedProperties.ts(108,5): error TS1206: Decorators are not valid here.
-decoratorsOnComputedProperties.ts(110,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 decoratorsOnComputedProperties.ts(111,5): error TS1206: Decorators are not valid here.
 decoratorsOnComputedProperties.ts(112,5): error TS1206: Decorators are not valid here.
 decoratorsOnComputedProperties.ts(124,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 decoratorsOnComputedProperties.ts(125,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 decoratorsOnComputedProperties.ts(126,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-decoratorsOnComputedProperties.ts(128,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-decoratorsOnComputedProperties.ts(129,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-decoratorsOnComputedProperties.ts(131,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 decoratorsOnComputedProperties.ts(135,5): error TS1206: Decorators are not valid here.
 decoratorsOnComputedProperties.ts(136,5): error TS1206: Decorators are not valid here.
 decoratorsOnComputedProperties.ts(137,5): error TS1206: Decorators are not valid here.
@@ -59,15 +44,11 @@ decoratorsOnComputedProperties.ts(138,5): error TS1206: Decorators are not valid
 decoratorsOnComputedProperties.ts(143,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 decoratorsOnComputedProperties.ts(144,5): error TS1206: Decorators are not valid here.
 decoratorsOnComputedProperties.ts(145,5): error TS1206: Decorators are not valid here.
-decoratorsOnComputedProperties.ts(147,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 decoratorsOnComputedProperties.ts(148,5): error TS1206: Decorators are not valid here.
 decoratorsOnComputedProperties.ts(150,5): error TS1206: Decorators are not valid here.
 decoratorsOnComputedProperties.ts(162,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 decoratorsOnComputedProperties.ts(163,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 decoratorsOnComputedProperties.ts(164,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-decoratorsOnComputedProperties.ts(166,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-decoratorsOnComputedProperties.ts(167,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-decoratorsOnComputedProperties.ts(169,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 decoratorsOnComputedProperties.ts(173,5): error TS1206: Decorators are not valid here.
 decoratorsOnComputedProperties.ts(174,5): error TS1206: Decorators are not valid here.
 decoratorsOnComputedProperties.ts(175,5): error TS1206: Decorators are not valid here.
@@ -76,12 +57,11 @@ decoratorsOnComputedProperties.ts(181,5): error TS1166: A computed property name
 decoratorsOnComputedProperties.ts(182,5): error TS1206: Decorators are not valid here.
 decoratorsOnComputedProperties.ts(183,5): error TS1206: Decorators are not valid here.
 decoratorsOnComputedProperties.ts(184,5): error TS1206: Decorators are not valid here.
-decoratorsOnComputedProperties.ts(185,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 decoratorsOnComputedProperties.ts(186,5): error TS1206: Decorators are not valid here.
 decoratorsOnComputedProperties.ts(188,5): error TS1206: Decorators are not valid here.
 
 
-==== decoratorsOnComputedProperties.ts (81 errors) ====
+==== decoratorsOnComputedProperties.ts (61 errors) ====
     function x(o: object, k: PropertyKey) { }
     let i = 0;
     function foo(): string { return ++i + ""; }
@@ -109,14 +89,8 @@ decoratorsOnComputedProperties.ts(188,5): error TS1206: Decorators are not valid
            ~~~~~~~
 !!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         [fieldNameA]: any;
-        ~~~~~~~~~~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         @x [fieldNameB]: any;
-           ~~~~~~~~~~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         @x [fieldNameC]: any = null;
-           ~~~~~~~~~~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
     }
     
     void class B {
@@ -146,8 +120,6 @@ decoratorsOnComputedProperties.ts(188,5): error TS1206: Decorators are not valid
         ~
 !!! error TS1206: Decorators are not valid here.
         [fieldNameA]: any;
-        ~~~~~~~~~~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         @x [fieldNameB]: any;
         ~
 !!! error TS1206: Decorators are not valid here.
@@ -175,14 +147,8 @@ decoratorsOnComputedProperties.ts(188,5): error TS1206: Decorators are not valid
            ~~~~~~~
 !!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         [fieldNameA]: any;
-        ~~~~~~~~~~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         @x [fieldNameB]: any;
-           ~~~~~~~~~~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         @x [fieldNameC]: any = null;
-           ~~~~~~~~~~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         ["some" + "method"]() {}
     }
     
@@ -213,8 +179,6 @@ decoratorsOnComputedProperties.ts(188,5): error TS1206: Decorators are not valid
         ~
 !!! error TS1206: Decorators are not valid here.
         [fieldNameA]: any;
-        ~~~~~~~~~~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         @x [fieldNameB]: any;
         ~
 !!! error TS1206: Decorators are not valid here.
@@ -244,14 +208,8 @@ decoratorsOnComputedProperties.ts(188,5): error TS1206: Decorators are not valid
 !!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         ["some" + "method"]() {}
         [fieldNameA]: any;
-        ~~~~~~~~~~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         @x [fieldNameB]: any;
-           ~~~~~~~~~~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         @x [fieldNameC]: any = null;
-           ~~~~~~~~~~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
     }
     
     void class F {
@@ -282,8 +240,6 @@ decoratorsOnComputedProperties.ts(188,5): error TS1206: Decorators are not valid
 !!! error TS1206: Decorators are not valid here.
         ["some" + "method"]() {}
         [fieldNameA]: any;
-        ~~~~~~~~~~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         @x [fieldNameB]: any;
         ~
 !!! error TS1206: Decorators are not valid here.
@@ -312,15 +268,9 @@ decoratorsOnComputedProperties.ts(188,5): error TS1206: Decorators are not valid
 !!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         ["some" + "method"]() {}
         [fieldNameA]: any;
-        ~~~~~~~~~~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         @x [fieldNameB]: any;
-           ~~~~~~~~~~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         ["some" + "method2"]() {}
         @x [fieldNameC]: any = null;
-           ~~~~~~~~~~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
     }
     
     void class H {
@@ -351,8 +301,6 @@ decoratorsOnComputedProperties.ts(188,5): error TS1206: Decorators are not valid
 !!! error TS1206: Decorators are not valid here.
         ["some" + "method"]() {}
         [fieldNameA]: any;
-        ~~~~~~~~~~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         @x [fieldNameB]: any;
         ~
 !!! error TS1206: Decorators are not valid here.
@@ -382,15 +330,9 @@ decoratorsOnComputedProperties.ts(188,5): error TS1206: Decorators are not valid
 !!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         @x ["some" + "method"]() {}
         [fieldNameA]: any;
-        ~~~~~~~~~~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         @x [fieldNameB]: any;
-           ~~~~~~~~~~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         ["some" + "method2"]() {}
         @x [fieldNameC]: any = null;
-           ~~~~~~~~~~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
     }
     
     void class J {
@@ -423,8 +365,6 @@ decoratorsOnComputedProperties.ts(188,5): error TS1206: Decorators are not valid
         ~
 !!! error TS1206: Decorators are not valid here.
         [fieldNameA]: any;
-        ~~~~~~~~~~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         @x [fieldNameB]: any;
         ~
 !!! error TS1206: Decorators are not valid here.
diff --git a/testdata/baselines/reference/submodule/compiler/decoratorsOnComputedProperties.errors.txt.diff b/testdata/baselines/reference/submodule/compiler/decoratorsOnComputedProperties.errors.txt.diff
deleted file mode 100644
index f26e059fe6..0000000000
--- a/testdata/baselines/reference/submodule/compiler/decoratorsOnComputedProperties.errors.txt.diff
+++ /dev/null
@@ -1,212 +0,0 @@
---- old.decoratorsOnComputedProperties.errors.txt
-+++ new.decoratorsOnComputedProperties.errors.txt
-@@= skipped -0, +0 lines =@@
- decoratorsOnComputedProperties.ts(18,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- decoratorsOnComputedProperties.ts(19,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- decoratorsOnComputedProperties.ts(20,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-+decoratorsOnComputedProperties.ts(21,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-+decoratorsOnComputedProperties.ts(22,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-+decoratorsOnComputedProperties.ts(23,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- decoratorsOnComputedProperties.ts(27,5): error TS1206: Decorators are not valid here.
- decoratorsOnComputedProperties.ts(28,5): error TS1206: Decorators are not valid here.
- decoratorsOnComputedProperties.ts(29,5): error TS1206: Decorators are not valid here.
-@@= skipped -7, +10 lines =@@
- decoratorsOnComputedProperties.ts(35,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- decoratorsOnComputedProperties.ts(36,5): error TS1206: Decorators are not valid here.
- decoratorsOnComputedProperties.ts(37,5): error TS1206: Decorators are not valid here.
-+decoratorsOnComputedProperties.ts(38,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- decoratorsOnComputedProperties.ts(39,5): error TS1206: Decorators are not valid here.
- decoratorsOnComputedProperties.ts(40,5): error TS1206: Decorators are not valid here.
- decoratorsOnComputedProperties.ts(52,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- decoratorsOnComputedProperties.ts(53,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- decoratorsOnComputedProperties.ts(54,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-+decoratorsOnComputedProperties.ts(55,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-+decoratorsOnComputedProperties.ts(56,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-+decoratorsOnComputedProperties.ts(57,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- decoratorsOnComputedProperties.ts(62,5): error TS1206: Decorators are not valid here.
- decoratorsOnComputedProperties.ts(63,5): error TS1206: Decorators are not valid here.
- decoratorsOnComputedProperties.ts(64,5): error TS1206: Decorators are not valid here.
-@@= skipped -12, +16 lines =@@
- decoratorsOnComputedProperties.ts(70,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- decoratorsOnComputedProperties.ts(71,5): error TS1206: Decorators are not valid here.
- decoratorsOnComputedProperties.ts(72,5): error TS1206: Decorators are not valid here.
-+decoratorsOnComputedProperties.ts(73,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- decoratorsOnComputedProperties.ts(74,5): error TS1206: Decorators are not valid here.
- decoratorsOnComputedProperties.ts(75,5): error TS1206: Decorators are not valid here.
- decoratorsOnComputedProperties.ts(88,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- decoratorsOnComputedProperties.ts(89,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- decoratorsOnComputedProperties.ts(90,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-+decoratorsOnComputedProperties.ts(92,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-+decoratorsOnComputedProperties.ts(93,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-+decoratorsOnComputedProperties.ts(94,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- decoratorsOnComputedProperties.ts(98,5): error TS1206: Decorators are not valid here.
- decoratorsOnComputedProperties.ts(99,5): error TS1206: Decorators are not valid here.
- decoratorsOnComputedProperties.ts(100,5): error TS1206: Decorators are not valid here.
-@@= skipped -12, +16 lines =@@
- decoratorsOnComputedProperties.ts(106,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- decoratorsOnComputedProperties.ts(107,5): error TS1206: Decorators are not valid here.
- decoratorsOnComputedProperties.ts(108,5): error TS1206: Decorators are not valid here.
-+decoratorsOnComputedProperties.ts(110,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- decoratorsOnComputedProperties.ts(111,5): error TS1206: Decorators are not valid here.
- decoratorsOnComputedProperties.ts(112,5): error TS1206: Decorators are not valid here.
- decoratorsOnComputedProperties.ts(124,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- decoratorsOnComputedProperties.ts(125,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- decoratorsOnComputedProperties.ts(126,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-+decoratorsOnComputedProperties.ts(128,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-+decoratorsOnComputedProperties.ts(129,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-+decoratorsOnComputedProperties.ts(131,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- decoratorsOnComputedProperties.ts(135,5): error TS1206: Decorators are not valid here.
- decoratorsOnComputedProperties.ts(136,5): error TS1206: Decorators are not valid here.
- decoratorsOnComputedProperties.ts(137,5): error TS1206: Decorators are not valid here.
-@@= skipped -12, +16 lines =@@
- decoratorsOnComputedProperties.ts(143,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- decoratorsOnComputedProperties.ts(144,5): error TS1206: Decorators are not valid here.
- decoratorsOnComputedProperties.ts(145,5): error TS1206: Decorators are not valid here.
-+decoratorsOnComputedProperties.ts(147,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- decoratorsOnComputedProperties.ts(148,5): error TS1206: Decorators are not valid here.
- decoratorsOnComputedProperties.ts(150,5): error TS1206: Decorators are not valid here.
- decoratorsOnComputedProperties.ts(162,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- decoratorsOnComputedProperties.ts(163,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- decoratorsOnComputedProperties.ts(164,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-+decoratorsOnComputedProperties.ts(166,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-+decoratorsOnComputedProperties.ts(167,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-+decoratorsOnComputedProperties.ts(169,8): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- decoratorsOnComputedProperties.ts(173,5): error TS1206: Decorators are not valid here.
- decoratorsOnComputedProperties.ts(174,5): error TS1206: Decorators are not valid here.
- decoratorsOnComputedProperties.ts(175,5): error TS1206: Decorators are not valid here.
-@@= skipped -13, +17 lines =@@
- decoratorsOnComputedProperties.ts(182,5): error TS1206: Decorators are not valid here.
- decoratorsOnComputedProperties.ts(183,5): error TS1206: Decorators are not valid here.
- decoratorsOnComputedProperties.ts(184,5): error TS1206: Decorators are not valid here.
-+decoratorsOnComputedProperties.ts(185,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- decoratorsOnComputedProperties.ts(186,5): error TS1206: Decorators are not valid here.
- decoratorsOnComputedProperties.ts(188,5): error TS1206: Decorators are not valid here.
-
-
--==== decoratorsOnComputedProperties.ts (61 errors) ====
-+==== decoratorsOnComputedProperties.ts (81 errors) ====
-     function x(o: object, k: PropertyKey) { }
-     let i = 0;
-     function foo(): string { return ++i + ""; }
-@@= skipped -32, +33 lines =@@
-            ~~~~~~~
- !!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         [fieldNameA]: any;
-+        ~~~~~~~~~~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         @x [fieldNameB]: any;
-+           ~~~~~~~~~~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         @x [fieldNameC]: any = null;
-+           ~~~~~~~~~~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-     }
-     
-     void class B {
-@@= skipped -31, +37 lines =@@
-         ~
- !!! error TS1206: Decorators are not valid here.
-         [fieldNameA]: any;
-+        ~~~~~~~~~~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         @x [fieldNameB]: any;
-         ~
- !!! error TS1206: Decorators are not valid here.
-@@= skipped -27, +29 lines =@@
-            ~~~~~~~
- !!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         [fieldNameA]: any;
-+        ~~~~~~~~~~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         @x [fieldNameB]: any;
-+           ~~~~~~~~~~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         @x [fieldNameC]: any = null;
-+           ~~~~~~~~~~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         ["some" + "method"]() {}
-     }
-     
-@@= skipped -32, +38 lines =@@
-         ~
- !!! error TS1206: Decorators are not valid here.
-         [fieldNameA]: any;
-+        ~~~~~~~~~~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         @x [fieldNameB]: any;
-         ~
- !!! error TS1206: Decorators are not valid here.
-@@= skipped -29, +31 lines =@@
- !!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         ["some" + "method"]() {}
-         [fieldNameA]: any;
-+        ~~~~~~~~~~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         @x [fieldNameB]: any;
-+           ~~~~~~~~~~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         @x [fieldNameC]: any = null;
-+           ~~~~~~~~~~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-     }
-     
-     void class F {
-@@= skipped -32, +38 lines =@@
- !!! error TS1206: Decorators are not valid here.
-         ["some" + "method"]() {}
-         [fieldNameA]: any;
-+        ~~~~~~~~~~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         @x [fieldNameB]: any;
-         ~
- !!! error TS1206: Decorators are not valid here.
-@@= skipped -28, +30 lines =@@
- !!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         ["some" + "method"]() {}
-         [fieldNameA]: any;
-+        ~~~~~~~~~~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         @x [fieldNameB]: any;
-+           ~~~~~~~~~~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         ["some" + "method2"]() {}
-         @x [fieldNameC]: any = null;
-+           ~~~~~~~~~~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-     }
-     
-     void class H {
-@@= skipped -33, +39 lines =@@
- !!! error TS1206: Decorators are not valid here.
-         ["some" + "method"]() {}
-         [fieldNameA]: any;
-+        ~~~~~~~~~~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         @x [fieldNameB]: any;
-         ~
- !!! error TS1206: Decorators are not valid here.
-@@= skipped -29, +31 lines =@@
- !!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         @x ["some" + "method"]() {}
-         [fieldNameA]: any;
-+        ~~~~~~~~~~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         @x [fieldNameB]: any;
-+           ~~~~~~~~~~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         ["some" + "method2"]() {}
-         @x [fieldNameC]: any = null;
-+           ~~~~~~~~~~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-     }
-     
-     void class J {
-@@= skipped -35, +41 lines =@@
-         ~
- !!! error TS1206: Decorators are not valid here.
-         [fieldNameA]: any;
-+        ~~~~~~~~~~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         @x [fieldNameB]: any;
-         ~
- !!! error TS1206: Decorators are not valid here.
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/compiler/indexSignatureMustHaveTypeAnnotation.errors.txt b/testdata/baselines/reference/submodule/compiler/indexSignatureMustHaveTypeAnnotation.errors.txt
index d8dcbc68bf..268ca3698b 100644
--- a/testdata/baselines/reference/submodule/compiler/indexSignatureMustHaveTypeAnnotation.errors.txt
+++ b/testdata/baselines/reference/submodule/compiler/indexSignatureMustHaveTypeAnnotation.errors.txt
@@ -1,17 +1,13 @@
-indexSignatureMustHaveTypeAnnotation.ts(3,5): error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
 indexSignatureMustHaveTypeAnnotation.ts(3,6): error TS2304: Cannot find name 'x'.
 indexSignatureMustHaveTypeAnnotation.ts(4,5): error TS1021: An index signature must have a type annotation.
-indexSignatureMustHaveTypeAnnotation.ts(9,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 indexSignatureMustHaveTypeAnnotation.ts(9,6): error TS2304: Cannot find name 'x'.
 indexSignatureMustHaveTypeAnnotation.ts(14,5): error TS1021: An index signature must have a type annotation.
 
 
-==== indexSignatureMustHaveTypeAnnotation.ts (6 errors) ====
+==== indexSignatureMustHaveTypeAnnotation.ts (4 errors) ====
     interface I {
         // Used to be indexer, now it is a computed property
         [x]: string;
-        ~~~
-!!! error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
          ~
 !!! error TS2304: Cannot find name 'x'.
         [x: string];
@@ -22,8 +18,6 @@ indexSignatureMustHaveTypeAnnotation.ts(14,5): error TS1021: An index signature
     class C {
         // Used to be indexer, now it is a computed property
         [x]: string
-        ~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
          ~
 !!! error TS2304: Cannot find name 'x'.
         
diff --git a/testdata/baselines/reference/submodule/compiler/indexSignatureMustHaveTypeAnnotation.errors.txt.diff b/testdata/baselines/reference/submodule/compiler/indexSignatureMustHaveTypeAnnotation.errors.txt.diff
deleted file mode 100644
index 2146c34440..0000000000
--- a/testdata/baselines/reference/submodule/compiler/indexSignatureMustHaveTypeAnnotation.errors.txt.diff
+++ /dev/null
@@ -1,30 +0,0 @@
---- old.indexSignatureMustHaveTypeAnnotation.errors.txt
-+++ new.indexSignatureMustHaveTypeAnnotation.errors.txt
-@@= skipped -0, +0 lines =@@
-+indexSignatureMustHaveTypeAnnotation.ts(3,5): error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
- indexSignatureMustHaveTypeAnnotation.ts(3,6): error TS2304: Cannot find name 'x'.
- indexSignatureMustHaveTypeAnnotation.ts(4,5): error TS1021: An index signature must have a type annotation.
-+indexSignatureMustHaveTypeAnnotation.ts(9,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- indexSignatureMustHaveTypeAnnotation.ts(9,6): error TS2304: Cannot find name 'x'.
- indexSignatureMustHaveTypeAnnotation.ts(14,5): error TS1021: An index signature must have a type annotation.
-
-
--==== indexSignatureMustHaveTypeAnnotation.ts (4 errors) ====
-+==== indexSignatureMustHaveTypeAnnotation.ts (6 errors) ====
-     interface I {
-         // Used to be indexer, now it is a computed property
-         [x]: string;
-+        ~~~
-+!!! error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
-          ~
- !!! error TS2304: Cannot find name 'x'.
-         [x: string];
-@@= skipped -17, +21 lines =@@
-     class C {
-         // Used to be indexer, now it is a computed property
-         [x]: string
-+        ~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-          ~
- !!! error TS2304: Cannot find name 'x'.
-         
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/compiler/indexWithoutParamType2.errors.txt b/testdata/baselines/reference/submodule/compiler/indexWithoutParamType2.errors.txt
index c44ef69c03..322a5cb854 100644
--- a/testdata/baselines/reference/submodule/compiler/indexWithoutParamType2.errors.txt
+++ b/testdata/baselines/reference/submodule/compiler/indexWithoutParamType2.errors.txt
@@ -1,13 +1,10 @@
-indexWithoutParamType2.ts(3,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 indexWithoutParamType2.ts(3,6): error TS2304: Cannot find name 'x'.
 
 
-==== indexWithoutParamType2.ts (2 errors) ====
+==== indexWithoutParamType2.ts (1 errors) ====
     class C {
         // Used to be indexer, now it is a computed property
         [x]: string
-        ~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
          ~
 !!! error TS2304: Cannot find name 'x'.
     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/compiler/indexWithoutParamType2.errors.txt.diff b/testdata/baselines/reference/submodule/compiler/indexWithoutParamType2.errors.txt.diff
deleted file mode 100644
index 4672c2f823..0000000000
--- a/testdata/baselines/reference/submodule/compiler/indexWithoutParamType2.errors.txt.diff
+++ /dev/null
@@ -1,17 +0,0 @@
---- old.indexWithoutParamType2.errors.txt
-+++ new.indexWithoutParamType2.errors.txt
-@@= skipped -0, +0 lines =@@
-+indexWithoutParamType2.ts(3,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- indexWithoutParamType2.ts(3,6): error TS2304: Cannot find name 'x'.
-
-
--==== indexWithoutParamType2.ts (1 errors) ====
-+==== indexWithoutParamType2.ts (2 errors) ====
-     class C {
-         // Used to be indexer, now it is a computed property
-         [x]: string
-+        ~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-          ~
- !!! error TS2304: Cannot find name 'x'.
-     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/compiler/isolatedDeclarationErrorsClasses.errors.txt b/testdata/baselines/reference/submodule/compiler/isolatedDeclarationErrorsClasses.errors.txt
index 6ace1f0a73..822b9b4f41 100644
--- a/testdata/baselines/reference/submodule/compiler/isolatedDeclarationErrorsClasses.errors.txt
+++ b/testdata/baselines/reference/submodule/compiler/isolatedDeclarationErrorsClasses.errors.txt
@@ -1,17 +1,15 @@
 isolatedDeclarationErrorsClasses.ts(8,18): error TS7006: Parameter 'p' implicitly has an 'any' type.
 isolatedDeclarationErrorsClasses.ts(12,9): error TS7032: Property 'setOnly' implicitly has type 'any', because its set accessor lacks a parameter type annotation.
 isolatedDeclarationErrorsClasses.ts(12,17): error TS7006: Parameter 'value' implicitly has an 'any' type.
-isolatedDeclarationErrorsClasses.ts(36,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 isolatedDeclarationErrorsClasses.ts(36,6): error TS2304: Cannot find name 'missing'.
 isolatedDeclarationErrorsClasses.ts(44,35): error TS7006: Parameter 'v' implicitly has an 'any' type.
 isolatedDeclarationErrorsClasses.ts(48,9): error TS7032: Property '[noParamAnnotationStringName]' implicitly has type 'any', because its set accessor lacks a parameter type annotation.
 isolatedDeclarationErrorsClasses.ts(48,39): error TS7006: Parameter 'value' implicitly has an 'any' type.
 isolatedDeclarationErrorsClasses.ts(50,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-isolatedDeclarationErrorsClasses.ts(55,5): error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
 isolatedDeclarationErrorsClasses.ts(56,5): error TS7010: '[noAnnotationLiteralName]', which lacks return-type annotation, implicitly has an 'any' return type.
 
 
-==== isolatedDeclarationErrorsClasses.ts (11 errors) ====
+==== isolatedDeclarationErrorsClasses.ts (9 errors) ====
     export class Cls {
     
         field = 1 + 1;
@@ -54,8 +52,6 @@ isolatedDeclarationErrorsClasses.ts(56,5): error TS7010: '[noAnnotationLiteralNa
     
         // Should not be reported as an isolated declaration error
         [missing] = 1;
-        ~~~~~~~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
          ~~~~~~~
 !!! error TS2304: Cannot find name 'missing'.
         
@@ -85,8 +81,6 @@ isolatedDeclarationErrorsClasses.ts(56,5): error TS7010: '[noAnnotationLiteralNa
     
     export interface I {
         [noAnnotationStringName]: 10;
-        ~~~~~~~~~~~~~~~~~~~~~~~~
-!!! error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
         [noAnnotationLiteralName]();
         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 !!! error TS7010: '[noAnnotationLiteralName]', which lacks return-type annotation, implicitly has an 'any' return type.
diff --git a/testdata/baselines/reference/submodule/compiler/isolatedDeclarationErrorsClasses.errors.txt.diff b/testdata/baselines/reference/submodule/compiler/isolatedDeclarationErrorsClasses.errors.txt.diff
index 7e1015075f..ae4a7935ff 100644
--- a/testdata/baselines/reference/submodule/compiler/isolatedDeclarationErrorsClasses.errors.txt.diff
+++ b/testdata/baselines/reference/submodule/compiler/isolatedDeclarationErrorsClasses.errors.txt.diff
@@ -11,7 +11,6 @@
  isolatedDeclarationErrorsClasses.ts(12,17): error TS7006: Parameter 'value' implicitly has an 'any' type.
 -isolatedDeclarationErrorsClasses.ts(12,17): error TS9009: At least one accessor must have an explicit type annotation with --isolatedDeclarations.
 -isolatedDeclarationErrorsClasses.ts(36,5): error TS9038: Computed property names on class or object literals cannot be inferred with --isolatedDeclarations.
-+isolatedDeclarationErrorsClasses.ts(36,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
  isolatedDeclarationErrorsClasses.ts(36,6): error TS2304: Cannot find name 'missing'.
 -isolatedDeclarationErrorsClasses.ts(38,5): error TS9038: Computed property names on class or object literals cannot be inferred with --isolatedDeclarations.
 -isolatedDeclarationErrorsClasses.ts(40,5): error TS9038: Computed property names on class or object literals cannot be inferred with --isolatedDeclarations.
@@ -26,7 +25,6 @@
  isolatedDeclarationErrorsClasses.ts(48,39): error TS7006: Parameter 'value' implicitly has an 'any' type.
  isolatedDeclarationErrorsClasses.ts(50,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 -isolatedDeclarationErrorsClasses.ts(50,5): error TS9038: Computed property names on class or object literals cannot be inferred with --isolatedDeclarations.
-+isolatedDeclarationErrorsClasses.ts(55,5): error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
  isolatedDeclarationErrorsClasses.ts(56,5): error TS7010: '[noAnnotationLiteralName]', which lacks return-type annotation, implicitly has an 'any' return type.
 -isolatedDeclarationErrorsClasses.ts(56,5): error TS9013: Expression type can't be inferred with --isolatedDeclarations.
 -
@@ -34,7 +32,7 @@
 -==== isolatedDeclarationErrorsClasses.ts (26 errors) ====
 +
 +
-+==== isolatedDeclarationErrorsClasses.ts (11 errors) ====
++==== isolatedDeclarationErrorsClasses.ts (9 errors) ====
      export class Cls {
      
          field = 1 + 1;
@@ -74,12 +72,12 @@
      
          get getSetBad() { return 0 }
          set getSetBad(value) { }
-@@= skipped -87, +54 lines =@@
+@@= skipped -86, +51 lines =@@
+     
          // Should not be reported as an isolated declaration error
          [missing] = 1;
-         ~~~~~~~~~
+-        ~~~~~~~~~
 -!!! error TS9038: Computed property names on class or object literals cannot be inferred with --isolatedDeclarations.
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
           ~~~~~~~
  !!! error TS2304: Cannot find name 'missing'.
          
@@ -127,10 +125,7 @@
      
      }
      
-     export interface I {
-         [noAnnotationStringName]: 10;
-+        ~~~~~~~~~~~~~~~~~~~~~~~~
-+!!! error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
+@@= skipped -54, +32 lines =@@
          [noAnnotationLiteralName]();
          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  !!! error TS7010: '[noAnnotationLiteralName]', which lacks return-type annotation, implicitly has an 'any' return type.
diff --git a/testdata/baselines/reference/submodule/compiler/overloadsWithComputedNames.errors.txt b/testdata/baselines/reference/submodule/compiler/overloadsWithComputedNames.errors.txt
index 018a561832..f737574398 100644
--- a/testdata/baselines/reference/submodule/compiler/overloadsWithComputedNames.errors.txt
+++ b/testdata/baselines/reference/submodule/compiler/overloadsWithComputedNames.errors.txt
@@ -1,15 +1,11 @@
 overloadsWithComputedNames.ts(4,5): error TS2389: Function implementation name must be '["B"]'.
 overloadsWithComputedNames.ts(14,5): error TS2391: Function implementation is missing or not immediately following the declaration.
 overloadsWithComputedNames.ts(16,5): error TS2389: Function implementation name must be '["bar"]'.
-overloadsWithComputedNames.ts(28,5): error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
 overloadsWithComputedNames.ts(29,5): error TS2391: Function implementation is missing or not immediately following the declaration.
-overloadsWithComputedNames.ts(35,5): error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
-overloadsWithComputedNames.ts(42,5): error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
-overloadsWithComputedNames.ts(47,5): error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
 overloadsWithComputedNames.ts(52,5): error TS2391: Function implementation is missing or not immediately following the declaration.
 
 
-==== overloadsWithComputedNames.ts (9 errors) ====
+==== overloadsWithComputedNames.ts (5 errors) ====
     // https://github.com/microsoft/TypeScript/issues/52329
     class Person {
         ["B"](a: number): string;
@@ -44,8 +40,6 @@ overloadsWithComputedNames.ts(52,5): error TS2391: Function implementation is mi
     
     class C1 {
         [sym](): void;  // should error
-        ~~~~~
-!!! error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
         [uniqueSym2](): void;   // should error
         ~~~~~~~~~~~~
 !!! error TS2391: Function implementation is missing or not immediately following the declaration.
@@ -55,8 +49,6 @@ overloadsWithComputedNames.ts(52,5): error TS2391: Function implementation is mi
     
     interface I1 {
         [sym](): void;  // should error
-        ~~~~~
-!!! error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
         [uniqueSym2](): void;
         [uniqueSym](): void;
         [uniqueSym](): void;
@@ -64,15 +56,11 @@ overloadsWithComputedNames.ts(52,5): error TS2391: Function implementation is mi
     
     class C2 {
         [strUnion](): void; // should error
-        ~~~~~~~~~~
-!!! error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
         [strUnion]() { }
     }
     
     class I2 {
         [strUnion](): void; // should error
-        ~~~~~~~~~~
-!!! error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
         [strUnion]() { }
     }
     
diff --git a/testdata/baselines/reference/submodule/compiler/overloadsWithComputedNames.errors.txt.diff b/testdata/baselines/reference/submodule/compiler/overloadsWithComputedNames.errors.txt.diff
deleted file mode 100644
index 830a8f6a87..0000000000
--- a/testdata/baselines/reference/submodule/compiler/overloadsWithComputedNames.errors.txt.diff
+++ /dev/null
@@ -1,53 +0,0 @@
---- old.overloadsWithComputedNames.errors.txt
-+++ new.overloadsWithComputedNames.errors.txt
-@@= skipped -0, +0 lines =@@
- overloadsWithComputedNames.ts(4,5): error TS2389: Function implementation name must be '["B"]'.
- overloadsWithComputedNames.ts(14,5): error TS2391: Function implementation is missing or not immediately following the declaration.
- overloadsWithComputedNames.ts(16,5): error TS2389: Function implementation name must be '["bar"]'.
-+overloadsWithComputedNames.ts(28,5): error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
- overloadsWithComputedNames.ts(29,5): error TS2391: Function implementation is missing or not immediately following the declaration.
-+overloadsWithComputedNames.ts(35,5): error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
-+overloadsWithComputedNames.ts(42,5): error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
-+overloadsWithComputedNames.ts(47,5): error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
- overloadsWithComputedNames.ts(52,5): error TS2391: Function implementation is missing or not immediately following the declaration.
-
-
--==== overloadsWithComputedNames.ts (5 errors) ====
-+==== overloadsWithComputedNames.ts (9 errors) ====
-     // https://github.com/microsoft/TypeScript/issues/52329
-     class Person {
-         ["B"](a: number): string;
-@@= skipped -39, +43 lines =@@
-     
-     class C1 {
-         [sym](): void;  // should error
-+        ~~~~~
-+!!! error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
-         [uniqueSym2](): void;   // should error
-         ~~~~~~~~~~~~
- !!! error TS2391: Function implementation is missing or not immediately following the declaration.
-@@= skipped -9, +11 lines =@@
-     
-     interface I1 {
-         [sym](): void;  // should error
-+        ~~~~~
-+!!! error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
-         [uniqueSym2](): void;
-         [uniqueSym](): void;
-         [uniqueSym](): void;
-@@= skipped -7, +9 lines =@@
-     
-     class C2 {
-         [strUnion](): void; // should error
-+        ~~~~~~~~~~
-+!!! error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
-         [strUnion]() { }
-     }
-     
-     class I2 {
-         [strUnion](): void; // should error
-+        ~~~~~~~~~~
-+!!! error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
-         [strUnion]() { }
-     }
-     
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/compiler/propertyAssignment.errors.txt b/testdata/baselines/reference/submodule/compiler/propertyAssignment.errors.txt
index f7ec925652..fd64c78a5b 100644
--- a/testdata/baselines/reference/submodule/compiler/propertyAssignment.errors.txt
+++ b/testdata/baselines/reference/submodule/compiler/propertyAssignment.errors.txt
@@ -1,4 +1,3 @@
-propertyAssignment.ts(4,13): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
 propertyAssignment.ts(4,14): error TS2304: Cannot find name 'index'.
 propertyAssignment.ts(12,1): error TS2322: Type '{ x: number; }' is not assignable to type 'new () => any'.
   Type '{ x: number; }' provides no match for the signature 'new (): any'.
@@ -6,13 +5,11 @@ propertyAssignment.ts(14,1): error TS2322: Type '{ x: number; }' is not assignab
   Type '{ x: number; }' provides no match for the signature '(): void'.
 
 
-==== propertyAssignment.ts (4 errors) ====
+==== propertyAssignment.ts (3 errors) ====
     var foo1: { new ():any; }   
     var bar1: { x : number; }
     
     var foo2: { [index]; } // should be an error, used to be indexer, now it is a computed property
-                ~~~~~~~
-!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
                  ~~~~~
 !!! error TS2304: Cannot find name 'index'.
     var bar2: { x : number; }
diff --git a/testdata/baselines/reference/submodule/compiler/propertyAssignment.errors.txt.diff b/testdata/baselines/reference/submodule/compiler/propertyAssignment.errors.txt.diff
deleted file mode 100644
index c35614900b..0000000000
--- a/testdata/baselines/reference/submodule/compiler/propertyAssignment.errors.txt.diff
+++ /dev/null
@@ -1,22 +0,0 @@
---- old.propertyAssignment.errors.txt
-+++ new.propertyAssignment.errors.txt
-@@= skipped -0, +0 lines =@@
-+propertyAssignment.ts(4,13): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
- propertyAssignment.ts(4,14): error TS2304: Cannot find name 'index'.
- propertyAssignment.ts(12,1): error TS2322: Type '{ x: number; }' is not assignable to type 'new () => any'.
-   Type '{ x: number; }' provides no match for the signature 'new (): any'.
-@@= skipped -4, +5 lines =@@
-   Type '{ x: number; }' provides no match for the signature '(): void'.
-
-
--==== propertyAssignment.ts (3 errors) ====
-+==== propertyAssignment.ts (4 errors) ====
-     var foo1: { new ():any; }   
-     var bar1: { x : number; }
-     
-     var foo2: { [index]; } // should be an error, used to be indexer, now it is a computed property
-+                ~~~~~~~
-+!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
-                  ~~~~~
- !!! error TS2304: Cannot find name 'index'.
-     var bar2: { x : number; }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/compiler/typeUsedAsTypeLiteralIndex.errors.txt b/testdata/baselines/reference/submodule/compiler/typeUsedAsTypeLiteralIndex.errors.txt
index 3cd05b68c1..808e24d7b0 100644
--- a/testdata/baselines/reference/submodule/compiler/typeUsedAsTypeLiteralIndex.errors.txt
+++ b/testdata/baselines/reference/submodule/compiler/typeUsedAsTypeLiteralIndex.errors.txt
@@ -1,19 +1,13 @@
-typeUsedAsTypeLiteralIndex.ts(3,5): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
 typeUsedAsTypeLiteralIndex.ts(3,6): error TS2693: 'K' only refers to a type, but is being used as a value here.
-typeUsedAsTypeLiteralIndex.ts(13,5): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
 typeUsedAsTypeLiteralIndex.ts(13,6): error TS2693: 'K2' only refers to a type, but is being used as a value here.
-typeUsedAsTypeLiteralIndex.ts(18,5): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
 typeUsedAsTypeLiteralIndex.ts(18,6): error TS2693: 'K3' only refers to a type, but is being used as a value here.
-typeUsedAsTypeLiteralIndex.ts(23,5): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
 typeUsedAsTypeLiteralIndex.ts(23,6): error TS2693: 'K4' only refers to a type, but is being used as a value here.
 
 
-==== typeUsedAsTypeLiteralIndex.ts (8 errors) ====
+==== typeUsedAsTypeLiteralIndex.ts (4 errors) ====
     type K = number | string;
     type T = {
         [K]: number;  // Did you mean to use 'P in K'?
-        ~~~
-!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
          ~
 !!! error TS2693: 'K' only refers to a type, but is being used as a value here.
     }
@@ -26,8 +20,6 @@ typeUsedAsTypeLiteralIndex.ts(23,6): error TS2693: 'K4' only refers to a type, b
     type K2 = "x" | "y";
     type T2 = {
         [K2]: number;  // Did you mean to use 'K in K2'?
-        ~~~~
-!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
          ~~
 !!! error TS2693: 'K2' only refers to a type, but is being used as a value here.
     }
@@ -35,8 +27,6 @@ typeUsedAsTypeLiteralIndex.ts(23,6): error TS2693: 'K4' only refers to a type, b
     type K3 = number | string;
     type T3 = {
         [K3]: number; // Did you mean to use 'K in K3'?
-        ~~~~
-!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
          ~~
 !!! error TS2693: 'K3' only refers to a type, but is being used as a value here.
     }
@@ -44,8 +34,6 @@ typeUsedAsTypeLiteralIndex.ts(23,6): error TS2693: 'K4' only refers to a type, b
     type K4 = number | string;
     type T4 = {
         [K4]: number;
-        ~~~~
-!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
          ~~
 !!! error TS2693: 'K4' only refers to a type, but is being used as a value here.
         k4: string;
diff --git a/testdata/baselines/reference/submodule/compiler/typeUsedAsTypeLiteralIndex.errors.txt.diff b/testdata/baselines/reference/submodule/compiler/typeUsedAsTypeLiteralIndex.errors.txt.diff
index fe632a1cd7..2359f73f7b 100644
--- a/testdata/baselines/reference/submodule/compiler/typeUsedAsTypeLiteralIndex.errors.txt.diff
+++ b/testdata/baselines/reference/submodule/compiler/typeUsedAsTypeLiteralIndex.errors.txt.diff
@@ -4,35 +4,24 @@
 -typeUsedAsTypeLiteralIndex.ts(3,6): error TS2690: 'K' only refers to a type, but is being used as a value here. Did you mean to use 'P in K'?
 -typeUsedAsTypeLiteralIndex.ts(13,6): error TS2690: 'K2' only refers to a type, but is being used as a value here. Did you mean to use 'K in K2'?
 -typeUsedAsTypeLiteralIndex.ts(18,6): error TS2690: 'K3' only refers to a type, but is being used as a value here. Did you mean to use 'K in K3'?
-+typeUsedAsTypeLiteralIndex.ts(3,5): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
 +typeUsedAsTypeLiteralIndex.ts(3,6): error TS2693: 'K' only refers to a type, but is being used as a value here.
-+typeUsedAsTypeLiteralIndex.ts(13,5): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
 +typeUsedAsTypeLiteralIndex.ts(13,6): error TS2693: 'K2' only refers to a type, but is being used as a value here.
-+typeUsedAsTypeLiteralIndex.ts(18,5): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
 +typeUsedAsTypeLiteralIndex.ts(18,6): error TS2693: 'K3' only refers to a type, but is being used as a value here.
-+typeUsedAsTypeLiteralIndex.ts(23,5): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
  typeUsedAsTypeLiteralIndex.ts(23,6): error TS2693: 'K4' only refers to a type, but is being used as a value here.
 
 
--==== typeUsedAsTypeLiteralIndex.ts (4 errors) ====
-+==== typeUsedAsTypeLiteralIndex.ts (8 errors) ====
-     type K = number | string;
+@@= skipped -8, +8 lines =@@
      type T = {
          [K]: number;  // Did you mean to use 'P in K'?
-+        ~~~
-+!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
           ~
 -!!! error TS2690: 'K' only refers to a type, but is being used as a value here. Did you mean to use 'P in K'?
 +!!! error TS2693: 'K' only refers to a type, but is being used as a value here.
      }
      
      const K1 = Symbol();
-@@= skipped -19, +25 lines =@@
-     type K2 = "x" | "y";
+@@= skipped -12, +12 lines =@@
      type T2 = {
          [K2]: number;  // Did you mean to use 'K in K2'?
-+        ~~~~
-+!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
           ~~
 -!!! error TS2690: 'K2' only refers to a type, but is being used as a value here. Did you mean to use 'K in K2'?
 +!!! error TS2693: 'K2' only refers to a type, but is being used as a value here.
@@ -41,18 +30,9 @@
      type K3 = number | string;
      type T3 = {
          [K3]: number; // Did you mean to use 'K in K3'?
-+        ~~~~
-+!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
           ~~
 -!!! error TS2690: 'K3' only refers to a type, but is being used as a value here. Did you mean to use 'K in K3'?
 +!!! error TS2693: 'K3' only refers to a type, but is being used as a value here.
      }
      
-     type K4 = number | string;
-     type T4 = {
-         [K4]: number;
-+        ~~~~
-+!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
-          ~~
- !!! error TS2693: 'K4' only refers to a type, but is being used as a value here.
-         k4: string;
\ No newline at end of file
+     type K4 = number | string;
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/computedPropertyNames12_ES5.errors.txt b/testdata/baselines/reference/submodule/conformance/computedPropertyNames12_ES5.errors.txt
index 54170d241b..7803fd8078 100644
--- a/testdata/baselines/reference/submodule/conformance/computedPropertyNames12_ES5.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/computedPropertyNames12_ES5.errors.txt
@@ -1,26 +1,19 @@
-computedPropertyNames12_ES5.ts(5,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-computedPropertyNames12_ES5.ts(6,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 computedPropertyNames12_ES5.ts(7,12): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 computedPropertyNames12_ES5.ts(8,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 computedPropertyNames12_ES5.ts(9,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 computedPropertyNames12_ES5.ts(9,5): error TS2411: Property '[+s]' of type 'string' is not assignable to 'number' index type 'number'.
 computedPropertyNames12_ES5.ts(9,5): error TS2411: Property '[+s]' of type 'string' is not assignable to 'string' index type 'number'.
-computedPropertyNames12_ES5.ts(12,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 computedPropertyNames12_ES5.ts(13,12): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 computedPropertyNames12_ES5.ts(15,12): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 
 
-==== computedPropertyNames12_ES5.ts (10 errors) ====
+==== computedPropertyNames12_ES5.ts (7 errors) ====
     var s: string;
     var n: number;
     var a: any;
     class C {
         [s]: number;
-        ~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         [n] = n;
-        ~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         static [s + s]: string;
                ~~~~~~~
 !!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
@@ -37,8 +30,6 @@ computedPropertyNames12_ES5.ts(15,12): error TS1166: A computed property name in
         static [""]: number;
         [0]: number;
         [a]: number;
-        ~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         static [<any>true]: number;
                ~~~~~~~~~~~
 !!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
diff --git a/testdata/baselines/reference/submodule/conformance/computedPropertyNames12_ES5.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/computedPropertyNames12_ES5.errors.txt.diff
deleted file mode 100644
index 6951b00ed5..0000000000
--- a/testdata/baselines/reference/submodule/conformance/computedPropertyNames12_ES5.errors.txt.diff
+++ /dev/null
@@ -1,39 +0,0 @@
---- old.computedPropertyNames12_ES5.errors.txt
-+++ new.computedPropertyNames12_ES5.errors.txt
-@@= skipped -0, +0 lines =@@
-+computedPropertyNames12_ES5.ts(5,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-+computedPropertyNames12_ES5.ts(6,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- computedPropertyNames12_ES5.ts(7,12): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- computedPropertyNames12_ES5.ts(8,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- computedPropertyNames12_ES5.ts(9,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- computedPropertyNames12_ES5.ts(9,5): error TS2411: Property '[+s]' of type 'string' is not assignable to 'number' index type 'number'.
- computedPropertyNames12_ES5.ts(9,5): error TS2411: Property '[+s]' of type 'string' is not assignable to 'string' index type 'number'.
-+computedPropertyNames12_ES5.ts(12,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- computedPropertyNames12_ES5.ts(13,12): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- computedPropertyNames12_ES5.ts(15,12): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-
-
--==== computedPropertyNames12_ES5.ts (7 errors) ====
-+==== computedPropertyNames12_ES5.ts (10 errors) ====
-     var s: string;
-     var n: number;
-     var a: any;
-     class C {
-         [s]: number;
-+        ~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         [n] = n;
-+        ~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         static [s + s]: string;
-                ~~~~~~~
- !!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-@@= skipped -29, +36 lines =@@
-         static [""]: number;
-         [0]: number;
-         [a]: number;
-+        ~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         static [<any>true]: number;
-                ~~~~~~~~~~~
- !!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/computedPropertyNames12_ES6.errors.txt b/testdata/baselines/reference/submodule/conformance/computedPropertyNames12_ES6.errors.txt
index 045be616de..08016db3dd 100644
--- a/testdata/baselines/reference/submodule/conformance/computedPropertyNames12_ES6.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/computedPropertyNames12_ES6.errors.txt
@@ -1,26 +1,19 @@
-computedPropertyNames12_ES6.ts(5,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-computedPropertyNames12_ES6.ts(6,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 computedPropertyNames12_ES6.ts(7,12): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 computedPropertyNames12_ES6.ts(8,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 computedPropertyNames12_ES6.ts(9,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 computedPropertyNames12_ES6.ts(9,5): error TS2411: Property '[+s]' of type 'string' is not assignable to 'number' index type 'number'.
 computedPropertyNames12_ES6.ts(9,5): error TS2411: Property '[+s]' of type 'string' is not assignable to 'string' index type 'number'.
-computedPropertyNames12_ES6.ts(12,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 computedPropertyNames12_ES6.ts(13,12): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 computedPropertyNames12_ES6.ts(15,12): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 
 
-==== computedPropertyNames12_ES6.ts (10 errors) ====
+==== computedPropertyNames12_ES6.ts (7 errors) ====
     var s: string;
     var n: number;
     var a: any;
     class C {
         [s]: number;
-        ~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         [n] = n;
-        ~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         static [s + s]: string;
                ~~~~~~~
 !!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
@@ -37,8 +30,6 @@ computedPropertyNames12_ES6.ts(15,12): error TS1166: A computed property name in
         static [""]: number;
         [0]: number;
         [a]: number;
-        ~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         static [<any>true]: number;
                ~~~~~~~~~~~
 !!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
diff --git a/testdata/baselines/reference/submodule/conformance/computedPropertyNames12_ES6.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/computedPropertyNames12_ES6.errors.txt.diff
deleted file mode 100644
index 096a84267b..0000000000
--- a/testdata/baselines/reference/submodule/conformance/computedPropertyNames12_ES6.errors.txt.diff
+++ /dev/null
@@ -1,39 +0,0 @@
---- old.computedPropertyNames12_ES6.errors.txt
-+++ new.computedPropertyNames12_ES6.errors.txt
-@@= skipped -0, +0 lines =@@
-+computedPropertyNames12_ES6.ts(5,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-+computedPropertyNames12_ES6.ts(6,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- computedPropertyNames12_ES6.ts(7,12): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- computedPropertyNames12_ES6.ts(8,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- computedPropertyNames12_ES6.ts(9,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- computedPropertyNames12_ES6.ts(9,5): error TS2411: Property '[+s]' of type 'string' is not assignable to 'number' index type 'number'.
- computedPropertyNames12_ES6.ts(9,5): error TS2411: Property '[+s]' of type 'string' is not assignable to 'string' index type 'number'.
-+computedPropertyNames12_ES6.ts(12,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- computedPropertyNames12_ES6.ts(13,12): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- computedPropertyNames12_ES6.ts(15,12): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-
-
--==== computedPropertyNames12_ES6.ts (7 errors) ====
-+==== computedPropertyNames12_ES6.ts (10 errors) ====
-     var s: string;
-     var n: number;
-     var a: any;
-     class C {
-         [s]: number;
-+        ~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         [n] = n;
-+        ~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         static [s + s]: string;
-                ~~~~~~~
- !!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-@@= skipped -29, +36 lines =@@
-         static [""]: number;
-         [0]: number;
-         [a]: number;
-+        ~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         static [<any>true]: number;
-                ~~~~~~~~~~~
- !!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/computedPropertyNamesOnOverloads_ES5.errors.txt b/testdata/baselines/reference/submodule/conformance/computedPropertyNamesOnOverloads_ES5.errors.txt
deleted file mode 100644
index 50cecd98bd..0000000000
--- a/testdata/baselines/reference/submodule/conformance/computedPropertyNamesOnOverloads_ES5.errors.txt
+++ /dev/null
@@ -1,16 +0,0 @@
-computedPropertyNamesOnOverloads_ES5.ts(4,5): error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
-computedPropertyNamesOnOverloads_ES5.ts(5,5): error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
-
-
-==== computedPropertyNamesOnOverloads_ES5.ts (2 errors) ====
-    var methodName = "method";
-    var accessorName = "accessor";
-    class C {
-        [methodName](v: string);
-        ~~~~~~~~~~~~
-!!! error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
-        [methodName]();
-        ~~~~~~~~~~~~
-!!! error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
-        [methodName](v?: string) { }
-    }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/computedPropertyNamesOnOverloads_ES5.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/computedPropertyNamesOnOverloads_ES5.errors.txt.diff
deleted file mode 100644
index c5f57b5335..0000000000
--- a/testdata/baselines/reference/submodule/conformance/computedPropertyNamesOnOverloads_ES5.errors.txt.diff
+++ /dev/null
@@ -1,20 +0,0 @@
---- old.computedPropertyNamesOnOverloads_ES5.errors.txt
-+++ new.computedPropertyNamesOnOverloads_ES5.errors.txt
-@@= skipped -0, +0 lines =@@
--<no content>
-+computedPropertyNamesOnOverloads_ES5.ts(4,5): error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
-+computedPropertyNamesOnOverloads_ES5.ts(5,5): error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
-+
-+
-+==== computedPropertyNamesOnOverloads_ES5.ts (2 errors) ====
-+    var methodName = "method";
-+    var accessorName = "accessor";
-+    class C {
-+        [methodName](v: string);
-+        ~~~~~~~~~~~~
-+!!! error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
-+        [methodName]();
-+        ~~~~~~~~~~~~
-+!!! error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
-+        [methodName](v?: string) { }
-+    }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/computedPropertyNamesOnOverloads_ES6.errors.txt b/testdata/baselines/reference/submodule/conformance/computedPropertyNamesOnOverloads_ES6.errors.txt
deleted file mode 100644
index c5e632c6de..0000000000
--- a/testdata/baselines/reference/submodule/conformance/computedPropertyNamesOnOverloads_ES6.errors.txt
+++ /dev/null
@@ -1,16 +0,0 @@
-computedPropertyNamesOnOverloads_ES6.ts(4,5): error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
-computedPropertyNamesOnOverloads_ES6.ts(5,5): error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
-
-
-==== computedPropertyNamesOnOverloads_ES6.ts (2 errors) ====
-    var methodName = "method";
-    var accessorName = "accessor";
-    class C {
-        [methodName](v: string);
-        ~~~~~~~~~~~~
-!!! error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
-        [methodName]();
-        ~~~~~~~~~~~~
-!!! error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
-        [methodName](v?: string) { }
-    }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/computedPropertyNamesOnOverloads_ES6.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/computedPropertyNamesOnOverloads_ES6.errors.txt.diff
deleted file mode 100644
index 2c2e44e3f3..0000000000
--- a/testdata/baselines/reference/submodule/conformance/computedPropertyNamesOnOverloads_ES6.errors.txt.diff
+++ /dev/null
@@ -1,20 +0,0 @@
---- old.computedPropertyNamesOnOverloads_ES6.errors.txt
-+++ new.computedPropertyNamesOnOverloads_ES6.errors.txt
-@@= skipped -0, +0 lines =@@
--<no content>
-+computedPropertyNamesOnOverloads_ES6.ts(4,5): error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
-+computedPropertyNamesOnOverloads_ES6.ts(5,5): error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
-+
-+
-+==== computedPropertyNamesOnOverloads_ES6.ts (2 errors) ====
-+    var methodName = "method";
-+    var accessorName = "accessor";
-+    class C {
-+        [methodName](v: string);
-+        ~~~~~~~~~~~~
-+!!! error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
-+        [methodName]();
-+        ~~~~~~~~~~~~
-+!!! error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
-+        [methodName](v?: string) { }
-+    }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/esDecorators-classDeclaration-missingEmitHelpers-staticComputedAutoAccessor.errors.txt b/testdata/baselines/reference/submodule/conformance/esDecorators-classDeclaration-missingEmitHelpers-staticComputedAutoAccessor.errors.txt
deleted file mode 100644
index 0e1e5b2ccf..0000000000
--- a/testdata/baselines/reference/submodule/conformance/esDecorators-classDeclaration-missingEmitHelpers-staticComputedAutoAccessor.errors.txt
+++ /dev/null
@@ -1,19 +0,0 @@
-main.ts(8,26): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-
-
-==== main.ts (1 errors) ====
-    export {}
-    
-    declare var dec: any;
-    declare var x: any;
-    
-    // needs: __esDecorate, __runInitializers, __propKey
-    class C {
-        @dec static accessor [x]: any;
-                             ~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-    }
-    
-==== tslib.d.ts (0 errors) ====
-    export {}
-    
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/esDecorators-classDeclaration-missingEmitHelpers-staticComputedAutoAccessor.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/esDecorators-classDeclaration-missingEmitHelpers-staticComputedAutoAccessor.errors.txt.diff
index cb61f2cfd1..86ca363d87 100644
--- a/testdata/baselines/reference/submodule/conformance/esDecorators-classDeclaration-missingEmitHelpers-staticComputedAutoAccessor.errors.txt.diff
+++ b/testdata/baselines/reference/submodule/conformance/esDecorators-classDeclaration-missingEmitHelpers-staticComputedAutoAccessor.errors.txt.diff
@@ -7,25 +7,23 @@
 -
 -
 -==== main.ts (3 errors) ====
-+main.ts(8,26): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-+
-+
-+==== main.ts (1 errors) ====
-     export {}
-     
-     declare var dec: any;
-@@= skipped -11, +9 lines =@@
-     // needs: __esDecorate, __runInitializers, __propKey
-     class C {
-         @dec static accessor [x]: any;
+-    export {}
+-    
+-    declare var dec: any;
+-    declare var x: any;
+-    
+-    // needs: __esDecorate, __runInitializers, __propKey
+-    class C {
+-        @dec static accessor [x]: any;
 -        ~~~~
 -!!! error TS2343: This syntax requires an imported helper named '__esDecorate' which does not exist in 'tslib'. Consider upgrading your version of 'tslib'.
 -        ~~~~
 -!!! error TS2343: This syntax requires an imported helper named '__propKey' which does not exist in 'tslib'. Consider upgrading your version of 'tslib'.
 -        ~~~~
 -!!! error TS2343: This syntax requires an imported helper named '__runInitializers' which does not exist in 'tslib'. Consider upgrading your version of 'tslib'.
-+                             ~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-     }
-     
- ==== tslib.d.ts (0 errors) ====
\ No newline at end of file
+-    }
+-    
+-==== tslib.d.ts (0 errors) ====
+-    export {}
+-    
++<no content>
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/esDecorators-classDeclaration-missingEmitHelpers-staticComputedField.errors.txt b/testdata/baselines/reference/submodule/conformance/esDecorators-classDeclaration-missingEmitHelpers-staticComputedField.errors.txt
deleted file mode 100644
index 27d8bd5233..0000000000
--- a/testdata/baselines/reference/submodule/conformance/esDecorators-classDeclaration-missingEmitHelpers-staticComputedField.errors.txt
+++ /dev/null
@@ -1,19 +0,0 @@
-main.ts(8,17): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-
-
-==== main.ts (1 errors) ====
-    export {}
-    
-    declare var dec: any;
-    declare var x: any;
-    
-    // needs: __esDecorate, __runInitializers, __propKey
-    class C {
-        @dec static [x]: any;
-                    ~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-    }
-    
-==== tslib.d.ts (0 errors) ====
-    export {}
-    
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/esDecorators-classDeclaration-missingEmitHelpers-staticComputedField.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/esDecorators-classDeclaration-missingEmitHelpers-staticComputedField.errors.txt.diff
index b72d8bff09..0f8c2ca87f 100644
--- a/testdata/baselines/reference/submodule/conformance/esDecorators-classDeclaration-missingEmitHelpers-staticComputedField.errors.txt.diff
+++ b/testdata/baselines/reference/submodule/conformance/esDecorators-classDeclaration-missingEmitHelpers-staticComputedField.errors.txt.diff
@@ -7,25 +7,23 @@
 -
 -
 -==== main.ts (3 errors) ====
-+main.ts(8,17): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-+
-+
-+==== main.ts (1 errors) ====
-     export {}
-     
-     declare var dec: any;
-@@= skipped -11, +9 lines =@@
-     // needs: __esDecorate, __runInitializers, __propKey
-     class C {
-         @dec static [x]: any;
+-    export {}
+-    
+-    declare var dec: any;
+-    declare var x: any;
+-    
+-    // needs: __esDecorate, __runInitializers, __propKey
+-    class C {
+-        @dec static [x]: any;
 -        ~~~~
 -!!! error TS2343: This syntax requires an imported helper named '__esDecorate' which does not exist in 'tslib'. Consider upgrading your version of 'tslib'.
 -        ~~~~
 -!!! error TS2343: This syntax requires an imported helper named '__propKey' which does not exist in 'tslib'. Consider upgrading your version of 'tslib'.
 -        ~~~~
 -!!! error TS2343: This syntax requires an imported helper named '__runInitializers' which does not exist in 'tslib'. Consider upgrading your version of 'tslib'.
-+                    ~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-     }
-     
- ==== tslib.d.ts (0 errors) ====
\ No newline at end of file
+-    }
+-    
+-==== tslib.d.ts (0 errors) ====
+-    export {}
+-    
++<no content>
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/esDecorators-classExpression-missingEmitHelpers-classDecorator.16.errors.txt b/testdata/baselines/reference/submodule/conformance/esDecorators-classExpression-missingEmitHelpers-classDecorator.16.errors.txt
deleted file mode 100644
index 2dd03c451d..0000000000
--- a/testdata/baselines/reference/submodule/conformance/esDecorators-classExpression-missingEmitHelpers-classDecorator.16.errors.txt
+++ /dev/null
@@ -1,16 +0,0 @@
-main.ts(6,11): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-
-
-==== main.ts (1 errors) ====
-    export {};
-    declare var dec: any;
-    declare var x: any;
-    
-    // uses __esDecorate, __runInitializers, __setFunctionName, __propKey
-    class C { [x] = @dec class {} }
-              ~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-    
-==== tslib.d.ts (0 errors) ====
-    export {}
-    
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/esDecorators-classExpression-missingEmitHelpers-classDecorator.16.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/esDecorators-classExpression-missingEmitHelpers-classDecorator.16.errors.txt.diff
index 63a7c3d6cf..40b973abf2 100644
--- a/testdata/baselines/reference/submodule/conformance/esDecorators-classExpression-missingEmitHelpers-classDecorator.16.errors.txt.diff
+++ b/testdata/baselines/reference/submodule/conformance/esDecorators-classExpression-missingEmitHelpers-classDecorator.16.errors.txt.diff
@@ -8,16 +8,12 @@
 -
 -
 -==== main.ts (4 errors) ====
-+main.ts(6,11): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-+
-+
-+==== main.ts (1 errors) ====
-     export {};
-     declare var dec: any;
-     declare var x: any;
-     
-     // uses __esDecorate, __runInitializers, __setFunctionName, __propKey
-     class C { [x] = @dec class {} }
+-    export {};
+-    declare var dec: any;
+-    declare var x: any;
+-    
+-    // uses __esDecorate, __runInitializers, __setFunctionName, __propKey
+-    class C { [x] = @dec class {} }
 -                    ~~~~
 -!!! error TS2343: This syntax requires an imported helper named '__esDecorate' which does not exist in 'tslib'. Consider upgrading your version of 'tslib'.
 -                    ~~~~
@@ -26,8 +22,8 @@
 -!!! error TS2343: This syntax requires an imported helper named '__runInitializers' which does not exist in 'tslib'. Consider upgrading your version of 'tslib'.
 -                    ~~~~
 -!!! error TS2343: This syntax requires an imported helper named '__setFunctionName' which does not exist in 'tslib'. Consider upgrading your version of 'tslib'.
-+              ~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-     
- ==== tslib.d.ts (0 errors) ====
-     export {}
\ No newline at end of file
+-    
+-==== tslib.d.ts (0 errors) ====
+-    export {}
+-    
++<no content>
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName10.errors.txt b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName10.errors.txt
index 32fbe01359..741471e54a 100644
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName10.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName10.errors.txt
@@ -1,12 +1,9 @@
-parserComputedPropertyName10.ts(2,4): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 parserComputedPropertyName10.ts(2,5): error TS2304: Cannot find name 'e'.
 
 
-==== parserComputedPropertyName10.ts (2 errors) ====
+==== parserComputedPropertyName10.ts (1 errors) ====
     class C {
        [e] = 1
-       ~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         ~
 !!! error TS2304: Cannot find name 'e'.
     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName10.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName10.errors.txt.diff
deleted file mode 100644
index 59937009bb..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName10.errors.txt.diff
+++ /dev/null
@@ -1,16 +0,0 @@
---- old.parserComputedPropertyName10.errors.txt
-+++ new.parserComputedPropertyName10.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserComputedPropertyName10.ts(2,4): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- parserComputedPropertyName10.ts(2,5): error TS2304: Cannot find name 'e'.
-
-
--==== parserComputedPropertyName10.ts (1 errors) ====
-+==== parserComputedPropertyName10.ts (2 errors) ====
-     class C {
-        [e] = 1
-+       ~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         ~
- !!! error TS2304: Cannot find name 'e'.
-     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName11.errors.txt b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName11.errors.txt
index cfe94442ff..4dfe2f9d82 100644
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName11.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName11.errors.txt
@@ -1,12 +1,9 @@
-parserComputedPropertyName11.ts(2,4): error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
 parserComputedPropertyName11.ts(2,5): error TS2304: Cannot find name 'e'.
 
 
-==== parserComputedPropertyName11.ts (2 errors) ====
+==== parserComputedPropertyName11.ts (1 errors) ====
     class C {
        [e]();
-       ~~~
-!!! error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
         ~
 !!! error TS2304: Cannot find name 'e'.
     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName11.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName11.errors.txt.diff
deleted file mode 100644
index 3206c222ff..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName11.errors.txt.diff
+++ /dev/null
@@ -1,16 +0,0 @@
---- old.parserComputedPropertyName11.errors.txt
-+++ new.parserComputedPropertyName11.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserComputedPropertyName11.ts(2,4): error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
- parserComputedPropertyName11.ts(2,5): error TS2304: Cannot find name 'e'.
-
-
--==== parserComputedPropertyName11.ts (1 errors) ====
-+==== parserComputedPropertyName11.ts (2 errors) ====
-     class C {
-        [e]();
-+       ~~~
-+!!! error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
-         ~
- !!! error TS2304: Cannot find name 'e'.
-     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName13.errors.txt b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName13.errors.txt
index 69b30e2c35..53c44acb4a 100644
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName13.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName13.errors.txt
@@ -1,10 +1,7 @@
-parserComputedPropertyName13.ts(1,10): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
 parserComputedPropertyName13.ts(1,11): error TS2304: Cannot find name 'e'.
 
 
-==== parserComputedPropertyName13.ts (2 errors) ====
+==== parserComputedPropertyName13.ts (1 errors) ====
     var v: { [e]: number };
-             ~~~
-!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
               ~
 !!! error TS2304: Cannot find name 'e'.
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName13.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName13.errors.txt.diff
deleted file mode 100644
index ec3ed88eab..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName13.errors.txt.diff
+++ /dev/null
@@ -1,14 +0,0 @@
---- old.parserComputedPropertyName13.errors.txt
-+++ new.parserComputedPropertyName13.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserComputedPropertyName13.ts(1,10): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
- parserComputedPropertyName13.ts(1,11): error TS2304: Cannot find name 'e'.
-
-
--==== parserComputedPropertyName13.ts (1 errors) ====
-+==== parserComputedPropertyName13.ts (2 errors) ====
-     var v: { [e]: number };
-+             ~~~
-+!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
-               ~
- !!! error TS2304: Cannot find name 'e'.
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName14.errors.txt b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName14.errors.txt
index 3136843bcf..5c6ae269c4 100644
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName14.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName14.errors.txt
@@ -1,10 +1,7 @@
-parserComputedPropertyName14.ts(1,10): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
 parserComputedPropertyName14.ts(1,11): error TS2304: Cannot find name 'e'.
 
 
-==== parserComputedPropertyName14.ts (2 errors) ====
+==== parserComputedPropertyName14.ts (1 errors) ====
     var v: { [e](): number };
-             ~~~
-!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
               ~
 !!! error TS2304: Cannot find name 'e'.
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName14.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName14.errors.txt.diff
deleted file mode 100644
index 7eb1ea3c90..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName14.errors.txt.diff
+++ /dev/null
@@ -1,14 +0,0 @@
---- old.parserComputedPropertyName14.errors.txt
-+++ new.parserComputedPropertyName14.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserComputedPropertyName14.ts(1,10): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
- parserComputedPropertyName14.ts(1,11): error TS2304: Cannot find name 'e'.
-
-
--==== parserComputedPropertyName14.ts (1 errors) ====
-+==== parserComputedPropertyName14.ts (2 errors) ====
-     var v: { [e](): number };
-+             ~~~
-+!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
-               ~
- !!! error TS2304: Cannot find name 'e'.
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName15.errors.txt b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName15.errors.txt
index 29736f6b09..227273a64d 100644
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName15.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName15.errors.txt
@@ -1,10 +1,7 @@
-parserComputedPropertyName15.ts(1,31): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
 parserComputedPropertyName15.ts(1,32): error TS2304: Cannot find name 'e'.
 
 
-==== parserComputedPropertyName15.ts (2 errors) ====
+==== parserComputedPropertyName15.ts (1 errors) ====
     var v: { [e: number]: string; [e]: number };
-                                  ~~~
-!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
                                    ~
 !!! error TS2304: Cannot find name 'e'.
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName15.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName15.errors.txt.diff
deleted file mode 100644
index bb38b83760..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName15.errors.txt.diff
+++ /dev/null
@@ -1,14 +0,0 @@
---- old.parserComputedPropertyName15.errors.txt
-+++ new.parserComputedPropertyName15.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserComputedPropertyName15.ts(1,31): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
- parserComputedPropertyName15.ts(1,32): error TS2304: Cannot find name 'e'.
-
-
--==== parserComputedPropertyName15.ts (1 errors) ====
-+==== parserComputedPropertyName15.ts (2 errors) ====
-     var v: { [e: number]: string; [e]: number };
-+                                  ~~~
-+!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
-                                    ~
- !!! error TS2304: Cannot find name 'e'.
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName18.errors.txt b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName18.errors.txt
index 2397af84fb..0d22c4cd91 100644
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName18.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName18.errors.txt
@@ -1,10 +1,7 @@
-parserComputedPropertyName18.ts(1,10): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
 parserComputedPropertyName18.ts(1,11): error TS2304: Cannot find name 'e'.
 
 
-==== parserComputedPropertyName18.ts (2 errors) ====
+==== parserComputedPropertyName18.ts (1 errors) ====
     var v: { [e]?(): number };
-             ~~~
-!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
               ~
 !!! error TS2304: Cannot find name 'e'.
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName18.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName18.errors.txt.diff
deleted file mode 100644
index 24ba7edfc5..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName18.errors.txt.diff
+++ /dev/null
@@ -1,14 +0,0 @@
---- old.parserComputedPropertyName18.errors.txt
-+++ new.parserComputedPropertyName18.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserComputedPropertyName18.ts(1,10): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
- parserComputedPropertyName18.ts(1,11): error TS2304: Cannot find name 'e'.
-
-
--==== parserComputedPropertyName18.ts (1 errors) ====
-+==== parserComputedPropertyName18.ts (2 errors) ====
-     var v: { [e]?(): number };
-+             ~~~
-+!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
-               ~
- !!! error TS2304: Cannot find name 'e'.
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName19.errors.txt b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName19.errors.txt
index 5be905e3aa..5210616149 100644
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName19.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName19.errors.txt
@@ -1,10 +1,7 @@
-parserComputedPropertyName19.ts(1,10): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
 parserComputedPropertyName19.ts(1,11): error TS2304: Cannot find name 'e'.
 
 
-==== parserComputedPropertyName19.ts (2 errors) ====
+==== parserComputedPropertyName19.ts (1 errors) ====
     var v: { [e]? };
-             ~~~
-!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
               ~
 !!! error TS2304: Cannot find name 'e'.
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName19.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName19.errors.txt.diff
deleted file mode 100644
index dd44bf7de9..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName19.errors.txt.diff
+++ /dev/null
@@ -1,14 +0,0 @@
---- old.parserComputedPropertyName19.errors.txt
-+++ new.parserComputedPropertyName19.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserComputedPropertyName19.ts(1,10): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
- parserComputedPropertyName19.ts(1,11): error TS2304: Cannot find name 'e'.
-
-
--==== parserComputedPropertyName19.ts (1 errors) ====
-+==== parserComputedPropertyName19.ts (2 errors) ====
-     var v: { [e]? };
-+             ~~~
-+!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
-               ~
- !!! error TS2304: Cannot find name 'e'.
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName20.errors.txt b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName20.errors.txt
index d29e06ed30..b7030748fe 100644
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName20.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName20.errors.txt
@@ -1,12 +1,9 @@
-parserComputedPropertyName20.ts(2,5): error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
 parserComputedPropertyName20.ts(2,6): error TS2304: Cannot find name 'e'.
 
 
-==== parserComputedPropertyName20.ts (2 errors) ====
+==== parserComputedPropertyName20.ts (1 errors) ====
     interface I {
         [e](): number 
-        ~~~
-!!! error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
          ~
 !!! error TS2304: Cannot find name 'e'.
     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName20.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName20.errors.txt.diff
deleted file mode 100644
index bf379a0a17..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName20.errors.txt.diff
+++ /dev/null
@@ -1,16 +0,0 @@
---- old.parserComputedPropertyName20.errors.txt
-+++ new.parserComputedPropertyName20.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserComputedPropertyName20.ts(2,5): error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
- parserComputedPropertyName20.ts(2,6): error TS2304: Cannot find name 'e'.
-
-
--==== parserComputedPropertyName20.ts (1 errors) ====
-+==== parserComputedPropertyName20.ts (2 errors) ====
-     interface I {
-         [e](): number 
-+        ~~~
-+!!! error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
-          ~
- !!! error TS2304: Cannot find name 'e'.
-     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName21.errors.txt b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName21.errors.txt
index d45641eaf3..2af44eefc8 100644
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName21.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName21.errors.txt
@@ -1,12 +1,9 @@
-parserComputedPropertyName21.ts(2,5): error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
 parserComputedPropertyName21.ts(2,6): error TS2304: Cannot find name 'e'.
 
 
-==== parserComputedPropertyName21.ts (2 errors) ====
+==== parserComputedPropertyName21.ts (1 errors) ====
     interface I {
         [e]: number 
-        ~~~
-!!! error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
          ~
 !!! error TS2304: Cannot find name 'e'.
     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName21.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName21.errors.txt.diff
deleted file mode 100644
index 6bc0408872..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName21.errors.txt.diff
+++ /dev/null
@@ -1,16 +0,0 @@
---- old.parserComputedPropertyName21.errors.txt
-+++ new.parserComputedPropertyName21.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserComputedPropertyName21.ts(2,5): error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
- parserComputedPropertyName21.ts(2,6): error TS2304: Cannot find name 'e'.
-
-
--==== parserComputedPropertyName21.ts (1 errors) ====
-+==== parserComputedPropertyName21.ts (2 errors) ====
-     interface I {
-         [e]: number 
-+        ~~~
-+!!! error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
-          ~
- !!! error TS2304: Cannot find name 'e'.
-     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName22.errors.txt b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName22.errors.txt
index 684b9b0fb5..d17736855f 100644
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName22.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName22.errors.txt
@@ -1,12 +1,9 @@
-parserComputedPropertyName22.ts(2,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 parserComputedPropertyName22.ts(2,6): error TS2304: Cannot find name 'e'.
 
 
-==== parserComputedPropertyName22.ts (2 errors) ====
+==== parserComputedPropertyName22.ts (1 errors) ====
     declare class C {
         [e]: number 
-        ~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
          ~
 !!! error TS2304: Cannot find name 'e'.
     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName22.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName22.errors.txt.diff
deleted file mode 100644
index 21147a3225..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName22.errors.txt.diff
+++ /dev/null
@@ -1,16 +0,0 @@
---- old.parserComputedPropertyName22.errors.txt
-+++ new.parserComputedPropertyName22.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserComputedPropertyName22.ts(2,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- parserComputedPropertyName22.ts(2,6): error TS2304: Cannot find name 'e'.
-
-
--==== parserComputedPropertyName22.ts (1 errors) ====
-+==== parserComputedPropertyName22.ts (2 errors) ====
-     declare class C {
-         [e]: number 
-+        ~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-          ~
- !!! error TS2304: Cannot find name 'e'.
-     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName25.errors.txt b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName25.errors.txt
index 01abebb987..36df2f0397 100644
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName25.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName25.errors.txt
@@ -1,14 +1,11 @@
-parserComputedPropertyName25.ts(3,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 parserComputedPropertyName25.ts(3,6): error TS2304: Cannot find name 'e'.
 parserComputedPropertyName25.ts(4,6): error TS2304: Cannot find name 'e2'.
 
 
-==== parserComputedPropertyName25.ts (3 errors) ====
+==== parserComputedPropertyName25.ts (2 errors) ====
     class C {
         // No ASI
         [e] = 0
-        ~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
          ~
 !!! error TS2304: Cannot find name 'e'.
         [e2] = 1
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName25.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName25.errors.txt.diff
deleted file mode 100644
index 6c1e3935f5..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName25.errors.txt.diff
+++ /dev/null
@@ -1,18 +0,0 @@
---- old.parserComputedPropertyName25.errors.txt
-+++ new.parserComputedPropertyName25.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserComputedPropertyName25.ts(3,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- parserComputedPropertyName25.ts(3,6): error TS2304: Cannot find name 'e'.
- parserComputedPropertyName25.ts(4,6): error TS2304: Cannot find name 'e2'.
-
-
--==== parserComputedPropertyName25.ts (2 errors) ====
-+==== parserComputedPropertyName25.ts (3 errors) ====
-     class C {
-         // No ASI
-         [e] = 0
-+        ~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-          ~
- !!! error TS2304: Cannot find name 'e'.
-         [e2] = 1
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName28.errors.txt b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName28.errors.txt
index 91c6094a7b..c9df8537bb 100644
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName28.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName28.errors.txt
@@ -1,19 +1,13 @@
-parserComputedPropertyName28.ts(2,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 parserComputedPropertyName28.ts(2,6): error TS2304: Cannot find name 'e'.
-parserComputedPropertyName28.ts(3,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 parserComputedPropertyName28.ts(3,6): error TS2304: Cannot find name 'e2'.
 
 
-==== parserComputedPropertyName28.ts (4 errors) ====
+==== parserComputedPropertyName28.ts (2 errors) ====
     class C {
         [e]: number = 0;
-        ~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
          ~
 !!! error TS2304: Cannot find name 'e'.
         [e2]: number
-        ~~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
          ~~
 !!! error TS2304: Cannot find name 'e2'.
     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName28.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName28.errors.txt.diff
deleted file mode 100644
index 0a910cc67d..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName28.errors.txt.diff
+++ /dev/null
@@ -1,23 +0,0 @@
---- old.parserComputedPropertyName28.errors.txt
-+++ new.parserComputedPropertyName28.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserComputedPropertyName28.ts(2,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- parserComputedPropertyName28.ts(2,6): error TS2304: Cannot find name 'e'.
-+parserComputedPropertyName28.ts(3,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- parserComputedPropertyName28.ts(3,6): error TS2304: Cannot find name 'e2'.
-
-
--==== parserComputedPropertyName28.ts (2 errors) ====
-+==== parserComputedPropertyName28.ts (4 errors) ====
-     class C {
-         [e]: number = 0;
-+        ~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-          ~
- !!! error TS2304: Cannot find name 'e'.
-         [e2]: number
-+        ~~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-          ~~
- !!! error TS2304: Cannot find name 'e2'.
-     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName29.errors.txt b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName29.errors.txt
index 86ae960157..400a280cf2 100644
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName29.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName29.errors.txt
@@ -1,23 +1,17 @@
-parserComputedPropertyName29.ts(3,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 parserComputedPropertyName29.ts(3,6): error TS2304: Cannot find name 'e'.
 parserComputedPropertyName29.ts(3,11): error TS2304: Cannot find name 'id'.
-parserComputedPropertyName29.ts(4,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 parserComputedPropertyName29.ts(4,6): error TS2304: Cannot find name 'e2'.
 
 
-==== parserComputedPropertyName29.ts (5 errors) ====
+==== parserComputedPropertyName29.ts (3 errors) ====
     class C {
         // yes ASI
         [e] = id++
-        ~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
          ~
 !!! error TS2304: Cannot find name 'e'.
               ~~
 !!! error TS2304: Cannot find name 'id'.
         [e2]: number
-        ~~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
          ~~
 !!! error TS2304: Cannot find name 'e2'.
     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName29.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName29.errors.txt.diff
deleted file mode 100644
index 8635f8594a..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName29.errors.txt.diff
+++ /dev/null
@@ -1,27 +0,0 @@
---- old.parserComputedPropertyName29.errors.txt
-+++ new.parserComputedPropertyName29.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserComputedPropertyName29.ts(3,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- parserComputedPropertyName29.ts(3,6): error TS2304: Cannot find name 'e'.
- parserComputedPropertyName29.ts(3,11): error TS2304: Cannot find name 'id'.
-+parserComputedPropertyName29.ts(4,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- parserComputedPropertyName29.ts(4,6): error TS2304: Cannot find name 'e2'.
-
-
--==== parserComputedPropertyName29.ts (3 errors) ====
-+==== parserComputedPropertyName29.ts (5 errors) ====
-     class C {
-         // yes ASI
-         [e] = id++
-+        ~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-          ~
- !!! error TS2304: Cannot find name 'e'.
-               ~~
- !!! error TS2304: Cannot find name 'id'.
-         [e2]: number
-+        ~~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-          ~~
- !!! error TS2304: Cannot find name 'e2'.
-     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName31.errors.txt b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName31.errors.txt
index eb373b7f4f..da4a580e9d 100644
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName31.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName31.errors.txt
@@ -1,20 +1,14 @@
-parserComputedPropertyName31.ts(3,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 parserComputedPropertyName31.ts(3,6): error TS2304: Cannot find name 'e'.
-parserComputedPropertyName31.ts(4,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 parserComputedPropertyName31.ts(4,6): error TS2304: Cannot find name 'e2'.
 
 
-==== parserComputedPropertyName31.ts (4 errors) ====
+==== parserComputedPropertyName31.ts (2 errors) ====
     class C {
         // yes ASI
         [e]: number
-        ~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
          ~
 !!! error TS2304: Cannot find name 'e'.
         [e2]: number
-        ~~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
          ~~
 !!! error TS2304: Cannot find name 'e2'.
     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName31.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName31.errors.txt.diff
deleted file mode 100644
index 653c00c32a..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName31.errors.txt.diff
+++ /dev/null
@@ -1,24 +0,0 @@
---- old.parserComputedPropertyName31.errors.txt
-+++ new.parserComputedPropertyName31.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserComputedPropertyName31.ts(3,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- parserComputedPropertyName31.ts(3,6): error TS2304: Cannot find name 'e'.
-+parserComputedPropertyName31.ts(4,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- parserComputedPropertyName31.ts(4,6): error TS2304: Cannot find name 'e2'.
-
-
--==== parserComputedPropertyName31.ts (2 errors) ====
-+==== parserComputedPropertyName31.ts (4 errors) ====
-     class C {
-         // yes ASI
-         [e]: number
-+        ~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-          ~
- !!! error TS2304: Cannot find name 'e'.
-         [e2]: number
-+        ~~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-          ~~
- !!! error TS2304: Cannot find name 'e2'.
-     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName32.errors.txt b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName32.errors.txt
index 8afa1a90c8..969e09b6e6 100644
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName32.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName32.errors.txt
@@ -1,12 +1,9 @@
-parserComputedPropertyName32.ts(2,5): error TS1165: A computed property name in an ambient context must refer to an expression whose type is a literal type or a 'unique symbol' type.
 parserComputedPropertyName32.ts(2,6): error TS2304: Cannot find name 'e'.
 
 
-==== parserComputedPropertyName32.ts (2 errors) ====
+==== parserComputedPropertyName32.ts (1 errors) ====
     declare class C {
         [e](): number 
-        ~~~
-!!! error TS1165: A computed property name in an ambient context must refer to an expression whose type is a literal type or a 'unique symbol' type.
          ~
 !!! error TS2304: Cannot find name 'e'.
     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName32.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName32.errors.txt.diff
deleted file mode 100644
index bc8cb76b23..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName32.errors.txt.diff
+++ /dev/null
@@ -1,16 +0,0 @@
---- old.parserComputedPropertyName32.errors.txt
-+++ new.parserComputedPropertyName32.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserComputedPropertyName32.ts(2,5): error TS1165: A computed property name in an ambient context must refer to an expression whose type is a literal type or a 'unique symbol' type.
- parserComputedPropertyName32.ts(2,6): error TS2304: Cannot find name 'e'.
-
-
--==== parserComputedPropertyName32.ts (1 errors) ====
-+==== parserComputedPropertyName32.ts (2 errors) ====
-     declare class C {
-         [e](): number 
-+        ~~~
-+!!! error TS1165: A computed property name in an ambient context must refer to an expression whose type is a literal type or a 'unique symbol' type.
-          ~
- !!! error TS2304: Cannot find name 'e'.
-     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName36.errors.txt b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName36.errors.txt
index 93f41eafb3..9232b4dc95 100644
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName36.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName36.errors.txt
@@ -1,13 +1,10 @@
-parserComputedPropertyName36.ts(2,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 parserComputedPropertyName36.ts(2,6): error TS1213: Identifier expected. 'public' is a reserved word in strict mode. Class definitions are automatically in strict mode.
 parserComputedPropertyName36.ts(2,6): error TS2304: Cannot find name 'public'.
 
 
-==== parserComputedPropertyName36.ts (3 errors) ====
+==== parserComputedPropertyName36.ts (2 errors) ====
     class C {
         [public ]: string;
-        ~~~~~~~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
          ~~~~~~
 !!! error TS1213: Identifier expected. 'public' is a reserved word in strict mode. Class definitions are automatically in strict mode.
          ~~~~~~
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName36.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName36.errors.txt.diff
deleted file mode 100644
index f5aa527b02..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName36.errors.txt.diff
+++ /dev/null
@@ -1,17 +0,0 @@
---- old.parserComputedPropertyName36.errors.txt
-+++ new.parserComputedPropertyName36.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserComputedPropertyName36.ts(2,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- parserComputedPropertyName36.ts(2,6): error TS1213: Identifier expected. 'public' is a reserved word in strict mode. Class definitions are automatically in strict mode.
- parserComputedPropertyName36.ts(2,6): error TS2304: Cannot find name 'public'.
-
-
--==== parserComputedPropertyName36.ts (2 errors) ====
-+==== parserComputedPropertyName36.ts (3 errors) ====
-     class C {
-         [public ]: string;
-+        ~~~~~~~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-          ~~~~~~
- !!! error TS1213: Identifier expected. 'public' is a reserved word in strict mode. Class definitions are automatically in strict mode.
-          ~~~~~~
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName7.errors.txt b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName7.errors.txt
index 4e8af831f3..0f2e575c27 100644
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName7.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName7.errors.txt
@@ -1,12 +1,9 @@
-parserComputedPropertyName7.ts(2,4): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 parserComputedPropertyName7.ts(2,5): error TS2304: Cannot find name 'e'.
 
 
-==== parserComputedPropertyName7.ts (2 errors) ====
+==== parserComputedPropertyName7.ts (1 errors) ====
     class C {
        [e]
-       ~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         ~
 !!! error TS2304: Cannot find name 'e'.
     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName7.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName7.errors.txt.diff
deleted file mode 100644
index c506d00699..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName7.errors.txt.diff
+++ /dev/null
@@ -1,16 +0,0 @@
---- old.parserComputedPropertyName7.errors.txt
-+++ new.parserComputedPropertyName7.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserComputedPropertyName7.ts(2,4): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- parserComputedPropertyName7.ts(2,5): error TS2304: Cannot find name 'e'.
-
-
--==== parserComputedPropertyName7.ts (1 errors) ====
-+==== parserComputedPropertyName7.ts (2 errors) ====
-     class C {
-        [e]
-+       ~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         ~
- !!! error TS2304: Cannot find name 'e'.
-     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName8.errors.txt b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName8.errors.txt
index 4e78253d91..aeecc4322a 100644
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName8.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName8.errors.txt
@@ -1,12 +1,9 @@
-parserComputedPropertyName8.ts(2,11): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 parserComputedPropertyName8.ts(2,12): error TS2304: Cannot find name 'e'.
 
 
-==== parserComputedPropertyName8.ts (2 errors) ====
+==== parserComputedPropertyName8.ts (1 errors) ====
     class C {
        public [e]
-              ~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
                ~
 !!! error TS2304: Cannot find name 'e'.
     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName8.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName8.errors.txt.diff
deleted file mode 100644
index 2b542ded55..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName8.errors.txt.diff
+++ /dev/null
@@ -1,16 +0,0 @@
---- old.parserComputedPropertyName8.errors.txt
-+++ new.parserComputedPropertyName8.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserComputedPropertyName8.ts(2,11): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- parserComputedPropertyName8.ts(2,12): error TS2304: Cannot find name 'e'.
-
-
--==== parserComputedPropertyName8.ts (1 errors) ====
-+==== parserComputedPropertyName8.ts (2 errors) ====
-     class C {
-        public [e]
-+              ~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-                ~
- !!! error TS2304: Cannot find name 'e'.
-     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName9.errors.txt b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName9.errors.txt
index 514b4f14a9..f51501e848 100644
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName9.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName9.errors.txt
@@ -1,13 +1,10 @@
-parserComputedPropertyName9.ts(2,4): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 parserComputedPropertyName9.ts(2,5): error TS2304: Cannot find name 'e'.
 parserComputedPropertyName9.ts(2,9): error TS2304: Cannot find name 'Type'.
 
 
-==== parserComputedPropertyName9.ts (3 errors) ====
+==== parserComputedPropertyName9.ts (2 errors) ====
     class C {
        [e]: Type
-       ~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         ~
 !!! error TS2304: Cannot find name 'e'.
             ~~~~
diff --git a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName9.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName9.errors.txt.diff
deleted file mode 100644
index a3a40d7e51..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserComputedPropertyName9.errors.txt.diff
+++ /dev/null
@@ -1,17 +0,0 @@
---- old.parserComputedPropertyName9.errors.txt
-+++ new.parserComputedPropertyName9.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserComputedPropertyName9.ts(2,4): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- parserComputedPropertyName9.ts(2,5): error TS2304: Cannot find name 'e'.
- parserComputedPropertyName9.ts(2,9): error TS2304: Cannot find name 'Type'.
-
-
--==== parserComputedPropertyName9.ts (2 errors) ====
-+==== parserComputedPropertyName9.ts (3 errors) ====
-     class C {
-        [e]: Type
-+       ~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         ~
- !!! error TS2304: Cannot find name 'e'.
-             ~~~~
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName1.errors.txt b/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName1.errors.txt
index 96fd1db346..63fbb6b423 100644
--- a/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName1.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName1.errors.txt
@@ -1,12 +1,9 @@
-parserES5ComputedPropertyName1.ts(2,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 parserES5ComputedPropertyName1.ts(2,6): error TS2304: Cannot find name 'e'.
 
 
-==== parserES5ComputedPropertyName1.ts (2 errors) ====
+==== parserES5ComputedPropertyName1.ts (1 errors) ====
     declare class C {
         [e]: number 
-        ~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
          ~
 !!! error TS2304: Cannot find name 'e'.
     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName1.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName1.errors.txt.diff
deleted file mode 100644
index 102fd7704a..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName1.errors.txt.diff
+++ /dev/null
@@ -1,16 +0,0 @@
---- old.parserES5ComputedPropertyName1.errors.txt
-+++ new.parserES5ComputedPropertyName1.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserES5ComputedPropertyName1.ts(2,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- parserES5ComputedPropertyName1.ts(2,6): error TS2304: Cannot find name 'e'.
-
-
--==== parserES5ComputedPropertyName1.ts (1 errors) ====
-+==== parserES5ComputedPropertyName1.ts (2 errors) ====
-     declare class C {
-         [e]: number 
-+        ~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-          ~
- !!! error TS2304: Cannot find name 'e'.
-     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName10.errors.txt b/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName10.errors.txt
index 9f48af31a7..be53362605 100644
--- a/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName10.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName10.errors.txt
@@ -1,12 +1,9 @@
-parserES5ComputedPropertyName10.ts(2,4): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 parserES5ComputedPropertyName10.ts(2,5): error TS2304: Cannot find name 'e'.
 
 
-==== parserES5ComputedPropertyName10.ts (2 errors) ====
+==== parserES5ComputedPropertyName10.ts (1 errors) ====
     class C {
        [e] = 1
-       ~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         ~
 !!! error TS2304: Cannot find name 'e'.
     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName10.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName10.errors.txt.diff
deleted file mode 100644
index 78e1b03165..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName10.errors.txt.diff
+++ /dev/null
@@ -1,16 +0,0 @@
---- old.parserES5ComputedPropertyName10.errors.txt
-+++ new.parserES5ComputedPropertyName10.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserES5ComputedPropertyName10.ts(2,4): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- parserES5ComputedPropertyName10.ts(2,5): error TS2304: Cannot find name 'e'.
-
-
--==== parserES5ComputedPropertyName10.ts (1 errors) ====
-+==== parserES5ComputedPropertyName10.ts (2 errors) ====
-     class C {
-        [e] = 1
-+       ~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         ~
- !!! error TS2304: Cannot find name 'e'.
-     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName11.errors.txt b/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName11.errors.txt
index 479c01d727..d216c82162 100644
--- a/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName11.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName11.errors.txt
@@ -1,12 +1,9 @@
-parserES5ComputedPropertyName11.ts(2,4): error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
 parserES5ComputedPropertyName11.ts(2,5): error TS2304: Cannot find name 'e'.
 
 
-==== parserES5ComputedPropertyName11.ts (2 errors) ====
+==== parserES5ComputedPropertyName11.ts (1 errors) ====
     class C {
        [e]();
-       ~~~
-!!! error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
         ~
 !!! error TS2304: Cannot find name 'e'.
     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName11.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName11.errors.txt.diff
deleted file mode 100644
index 9227a82638..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName11.errors.txt.diff
+++ /dev/null
@@ -1,16 +0,0 @@
---- old.parserES5ComputedPropertyName11.errors.txt
-+++ new.parserES5ComputedPropertyName11.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserES5ComputedPropertyName11.ts(2,4): error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
- parserES5ComputedPropertyName11.ts(2,5): error TS2304: Cannot find name 'e'.
-
-
--==== parserES5ComputedPropertyName11.ts (1 errors) ====
-+==== parserES5ComputedPropertyName11.ts (2 errors) ====
-     class C {
-        [e]();
-+       ~~~
-+!!! error TS1168: A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.
-         ~
- !!! error TS2304: Cannot find name 'e'.
-     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName5.errors.txt b/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName5.errors.txt
index f9e5ce838b..c54d1e44b5 100644
--- a/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName5.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName5.errors.txt
@@ -1,12 +1,9 @@
-parserES5ComputedPropertyName5.ts(2,5): error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
 parserES5ComputedPropertyName5.ts(2,6): error TS2304: Cannot find name 'e'.
 
 
-==== parserES5ComputedPropertyName5.ts (2 errors) ====
+==== parserES5ComputedPropertyName5.ts (1 errors) ====
     interface I {
         [e]: number 
-        ~~~
-!!! error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
          ~
 !!! error TS2304: Cannot find name 'e'.
     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName5.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName5.errors.txt.diff
deleted file mode 100644
index bbb48b49ce..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName5.errors.txt.diff
+++ /dev/null
@@ -1,16 +0,0 @@
---- old.parserES5ComputedPropertyName5.errors.txt
-+++ new.parserES5ComputedPropertyName5.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserES5ComputedPropertyName5.ts(2,5): error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
- parserES5ComputedPropertyName5.ts(2,6): error TS2304: Cannot find name 'e'.
-
-
--==== parserES5ComputedPropertyName5.ts (1 errors) ====
-+==== parserES5ComputedPropertyName5.ts (2 errors) ====
-     interface I {
-         [e]: number 
-+        ~~~
-+!!! error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
-          ~
- !!! error TS2304: Cannot find name 'e'.
-     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName7.errors.txt b/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName7.errors.txt
index 7ef1fabb0c..bffd87321c 100644
--- a/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName7.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName7.errors.txt
@@ -1,12 +1,9 @@
-parserES5ComputedPropertyName7.ts(2,4): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 parserES5ComputedPropertyName7.ts(2,5): error TS2304: Cannot find name 'e'.
 
 
-==== parserES5ComputedPropertyName7.ts (2 errors) ====
+==== parserES5ComputedPropertyName7.ts (1 errors) ====
     class C {
        [e]
-       ~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         ~
 !!! error TS2304: Cannot find name 'e'.
     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName7.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName7.errors.txt.diff
deleted file mode 100644
index 8972221880..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName7.errors.txt.diff
+++ /dev/null
@@ -1,16 +0,0 @@
---- old.parserES5ComputedPropertyName7.errors.txt
-+++ new.parserES5ComputedPropertyName7.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserES5ComputedPropertyName7.ts(2,4): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- parserES5ComputedPropertyName7.ts(2,5): error TS2304: Cannot find name 'e'.
-
-
--==== parserES5ComputedPropertyName7.ts (1 errors) ====
-+==== parserES5ComputedPropertyName7.ts (2 errors) ====
-     class C {
-        [e]
-+       ~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         ~
- !!! error TS2304: Cannot find name 'e'.
-     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName8.errors.txt b/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName8.errors.txt
index 4f2851d8e8..2295c143ba 100644
--- a/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName8.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName8.errors.txt
@@ -1,10 +1,7 @@
-parserES5ComputedPropertyName8.ts(1,10): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
 parserES5ComputedPropertyName8.ts(1,11): error TS2304: Cannot find name 'e'.
 
 
-==== parserES5ComputedPropertyName8.ts (2 errors) ====
+==== parserES5ComputedPropertyName8.ts (1 errors) ====
     var v: { [e]: number };
-             ~~~
-!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
               ~
 !!! error TS2304: Cannot find name 'e'.
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName8.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName8.errors.txt.diff
deleted file mode 100644
index 83f18a0789..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName8.errors.txt.diff
+++ /dev/null
@@ -1,14 +0,0 @@
---- old.parserES5ComputedPropertyName8.errors.txt
-+++ new.parserES5ComputedPropertyName8.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserES5ComputedPropertyName8.ts(1,10): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
- parserES5ComputedPropertyName8.ts(1,11): error TS2304: Cannot find name 'e'.
-
-
--==== parserES5ComputedPropertyName8.ts (1 errors) ====
-+==== parserES5ComputedPropertyName8.ts (2 errors) ====
-     var v: { [e]: number };
-+             ~~~
-+!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
-               ~
- !!! error TS2304: Cannot find name 'e'.
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName9.errors.txt b/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName9.errors.txt
index b5733d2d06..361313645c 100644
--- a/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName9.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName9.errors.txt
@@ -1,13 +1,10 @@
-parserES5ComputedPropertyName9.ts(2,4): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 parserES5ComputedPropertyName9.ts(2,5): error TS2304: Cannot find name 'e'.
 parserES5ComputedPropertyName9.ts(2,9): error TS2304: Cannot find name 'Type'.
 
 
-==== parserES5ComputedPropertyName9.ts (3 errors) ====
+==== parserES5ComputedPropertyName9.ts (2 errors) ====
     class C {
        [e]: Type
-       ~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
         ~
 !!! error TS2304: Cannot find name 'e'.
             ~~~~
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName9.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName9.errors.txt.diff
deleted file mode 100644
index ff00be1542..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserES5ComputedPropertyName9.errors.txt.diff
+++ /dev/null
@@ -1,17 +0,0 @@
---- old.parserES5ComputedPropertyName9.errors.txt
-+++ new.parserES5ComputedPropertyName9.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserES5ComputedPropertyName9.ts(2,4): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- parserES5ComputedPropertyName9.ts(2,5): error TS2304: Cannot find name 'e'.
- parserES5ComputedPropertyName9.ts(2,9): error TS2304: Cannot find name 'Type'.
-
-
--==== parserES5ComputedPropertyName9.ts (2 errors) ====
-+==== parserES5ComputedPropertyName9.ts (3 errors) ====
-     class C {
-        [e]: Type
-+       ~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-         ~
- !!! error TS2304: Cannot find name 'e'.
-             ~~~~
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty1.errors.txt b/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty1.errors.txt
index 97784e12e1..17c9069cbc 100644
--- a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty1.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty1.errors.txt
@@ -1,12 +1,9 @@
-parserES5SymbolProperty1.ts(2,5): error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
 parserES5SymbolProperty1.ts(2,6): error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
 
 
-==== parserES5SymbolProperty1.ts (2 errors) ====
+==== parserES5SymbolProperty1.ts (1 errors) ====
     interface I {
         [Symbol.iterator]: string;
-        ~~~~~~~~~~~~~~~~~
-!!! error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
          ~~~~~~
 !!! error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty1.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty1.errors.txt.diff
deleted file mode 100644
index 3654e8f4dc..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty1.errors.txt.diff
+++ /dev/null
@@ -1,16 +0,0 @@
---- old.parserES5SymbolProperty1.errors.txt
-+++ new.parserES5SymbolProperty1.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserES5SymbolProperty1.ts(2,5): error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
- parserES5SymbolProperty1.ts(2,6): error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
-
-
--==== parserES5SymbolProperty1.ts (1 errors) ====
-+==== parserES5SymbolProperty1.ts (2 errors) ====
-     interface I {
-         [Symbol.iterator]: string;
-+        ~~~~~~~~~~~~~~~~~
-+!!! error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
-          ~~~~~~
- !!! error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
-     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty2.errors.txt b/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty2.errors.txt
index 16fff8a5de..547a3c8f0b 100644
--- a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty2.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty2.errors.txt
@@ -1,12 +1,9 @@
-parserES5SymbolProperty2.ts(2,5): error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
 parserES5SymbolProperty2.ts(2,6): error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
 
 
-==== parserES5SymbolProperty2.ts (2 errors) ====
+==== parserES5SymbolProperty2.ts (1 errors) ====
     interface I {
         [Symbol.unscopables](): string;
-        ~~~~~~~~~~~~~~~~~~~~
-!!! error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
          ~~~~~~
 !!! error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty2.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty2.errors.txt.diff
deleted file mode 100644
index 77e966276a..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty2.errors.txt.diff
+++ /dev/null
@@ -1,16 +0,0 @@
---- old.parserES5SymbolProperty2.errors.txt
-+++ new.parserES5SymbolProperty2.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserES5SymbolProperty2.ts(2,5): error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
- parserES5SymbolProperty2.ts(2,6): error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
-
-
--==== parserES5SymbolProperty2.ts (1 errors) ====
-+==== parserES5SymbolProperty2.ts (2 errors) ====
-     interface I {
-         [Symbol.unscopables](): string;
-+        ~~~~~~~~~~~~~~~~~~~~
-+!!! error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
-          ~~~~~~
- !!! error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
-     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty3.errors.txt b/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty3.errors.txt
index 1dc3539859..36a420d067 100644
--- a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty3.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty3.errors.txt
@@ -1,12 +1,9 @@
-parserES5SymbolProperty3.ts(2,5): error TS1165: A computed property name in an ambient context must refer to an expression whose type is a literal type or a 'unique symbol' type.
 parserES5SymbolProperty3.ts(2,6): error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
 
 
-==== parserES5SymbolProperty3.ts (2 errors) ====
+==== parserES5SymbolProperty3.ts (1 errors) ====
     declare class C {
         [Symbol.unscopables](): string;
-        ~~~~~~~~~~~~~~~~~~~~
-!!! error TS1165: A computed property name in an ambient context must refer to an expression whose type is a literal type or a 'unique symbol' type.
          ~~~~~~
 !!! error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty3.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty3.errors.txt.diff
deleted file mode 100644
index 0952e75356..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty3.errors.txt.diff
+++ /dev/null
@@ -1,16 +0,0 @@
---- old.parserES5SymbolProperty3.errors.txt
-+++ new.parserES5SymbolProperty3.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserES5SymbolProperty3.ts(2,5): error TS1165: A computed property name in an ambient context must refer to an expression whose type is a literal type or a 'unique symbol' type.
- parserES5SymbolProperty3.ts(2,6): error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
-
-
--==== parserES5SymbolProperty3.ts (1 errors) ====
-+==== parserES5SymbolProperty3.ts (2 errors) ====
-     declare class C {
-         [Symbol.unscopables](): string;
-+        ~~~~~~~~~~~~~~~~~~~~
-+!!! error TS1165: A computed property name in an ambient context must refer to an expression whose type is a literal type or a 'unique symbol' type.
-          ~~~~~~
- !!! error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
-     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty4.errors.txt b/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty4.errors.txt
index 733aea6dec..d2dbaed576 100644
--- a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty4.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty4.errors.txt
@@ -1,12 +1,9 @@
-parserES5SymbolProperty4.ts(2,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 parserES5SymbolProperty4.ts(2,6): error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
 
 
-==== parserES5SymbolProperty4.ts (2 errors) ====
+==== parserES5SymbolProperty4.ts (1 errors) ====
     declare class C {
         [Symbol.isRegExp]: string;
-        ~~~~~~~~~~~~~~~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
          ~~~~~~
 !!! error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty4.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty4.errors.txt.diff
deleted file mode 100644
index f71fd49762..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty4.errors.txt.diff
+++ /dev/null
@@ -1,16 +0,0 @@
---- old.parserES5SymbolProperty4.errors.txt
-+++ new.parserES5SymbolProperty4.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserES5SymbolProperty4.ts(2,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- parserES5SymbolProperty4.ts(2,6): error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
-
-
--==== parserES5SymbolProperty4.ts (1 errors) ====
-+==== parserES5SymbolProperty4.ts (2 errors) ====
-     declare class C {
-         [Symbol.isRegExp]: string;
-+        ~~~~~~~~~~~~~~~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-          ~~~~~~
- !!! error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
-     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty5.errors.txt b/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty5.errors.txt
index c1c4d7fb49..cc04ef7048 100644
--- a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty5.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty5.errors.txt
@@ -1,12 +1,9 @@
-parserES5SymbolProperty5.ts(2,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 parserES5SymbolProperty5.ts(2,6): error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
 
 
-==== parserES5SymbolProperty5.ts (2 errors) ====
+==== parserES5SymbolProperty5.ts (1 errors) ====
     class C {
         [Symbol.isRegExp]: string;
-        ~~~~~~~~~~~~~~~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
          ~~~~~~
 !!! error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty5.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty5.errors.txt.diff
deleted file mode 100644
index c1bb0fdecd..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty5.errors.txt.diff
+++ /dev/null
@@ -1,16 +0,0 @@
---- old.parserES5SymbolProperty5.errors.txt
-+++ new.parserES5SymbolProperty5.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserES5SymbolProperty5.ts(2,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- parserES5SymbolProperty5.ts(2,6): error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
-
-
--==== parserES5SymbolProperty5.ts (1 errors) ====
-+==== parserES5SymbolProperty5.ts (2 errors) ====
-     class C {
-         [Symbol.isRegExp]: string;
-+        ~~~~~~~~~~~~~~~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-          ~~~~~~
- !!! error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
-     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty6.errors.txt b/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty6.errors.txt
index 8b37ebc18a..8bd6ad8e5f 100644
--- a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty6.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty6.errors.txt
@@ -1,12 +1,9 @@
-parserES5SymbolProperty6.ts(2,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
 parserES5SymbolProperty6.ts(2,6): error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
 
 
-==== parserES5SymbolProperty6.ts (2 errors) ====
+==== parserES5SymbolProperty6.ts (1 errors) ====
     class C {
         [Symbol.toStringTag]: string = "";
-        ~~~~~~~~~~~~~~~~~~~~
-!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
          ~~~~~~
 !!! error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty6.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty6.errors.txt.diff
deleted file mode 100644
index 2263877ee4..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty6.errors.txt.diff
+++ /dev/null
@@ -1,16 +0,0 @@
---- old.parserES5SymbolProperty6.errors.txt
-+++ new.parserES5SymbolProperty6.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserES5SymbolProperty6.ts(2,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
- parserES5SymbolProperty6.ts(2,6): error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
-
-
--==== parserES5SymbolProperty6.ts (1 errors) ====
-+==== parserES5SymbolProperty6.ts (2 errors) ====
-     class C {
-         [Symbol.toStringTag]: string = "";
-+        ~~~~~~~~~~~~~~~~~~~~
-+!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
-          ~~~~~~
- !!! error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
-     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty8.errors.txt b/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty8.errors.txt
index a1fd554227..fbab2b7b28 100644
--- a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty8.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty8.errors.txt
@@ -1,12 +1,9 @@
-parserES5SymbolProperty8.ts(2,5): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
 parserES5SymbolProperty8.ts(2,6): error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
 
 
-==== parserES5SymbolProperty8.ts (2 errors) ====
+==== parserES5SymbolProperty8.ts (1 errors) ====
     var x: {
         [Symbol.toPrimitive](): string
-        ~~~~~~~~~~~~~~~~~~~~
-!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
          ~~~~~~
 !!! error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty8.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty8.errors.txt.diff
deleted file mode 100644
index 280335bd64..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty8.errors.txt.diff
+++ /dev/null
@@ -1,16 +0,0 @@
---- old.parserES5SymbolProperty8.errors.txt
-+++ new.parserES5SymbolProperty8.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserES5SymbolProperty8.ts(2,5): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
- parserES5SymbolProperty8.ts(2,6): error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
-
-
--==== parserES5SymbolProperty8.ts (1 errors) ====
-+==== parserES5SymbolProperty8.ts (2 errors) ====
-     var x: {
-         [Symbol.toPrimitive](): string
-+        ~~~~~~~~~~~~~~~~~~~~
-+!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
-          ~~~~~~
- !!! error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
-     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty9.errors.txt b/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty9.errors.txt
index 680c9da381..ee9a898bef 100644
--- a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty9.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty9.errors.txt
@@ -1,12 +1,9 @@
-parserES5SymbolProperty9.ts(2,5): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
 parserES5SymbolProperty9.ts(2,6): error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
 
 
-==== parserES5SymbolProperty9.ts (2 errors) ====
+==== parserES5SymbolProperty9.ts (1 errors) ====
     var x: {
         [Symbol.toPrimitive]: string
-        ~~~~~~~~~~~~~~~~~~~~
-!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
          ~~~~~~
 !!! error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty9.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty9.errors.txt.diff
deleted file mode 100644
index fe1407171e..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserES5SymbolProperty9.errors.txt.diff
+++ /dev/null
@@ -1,16 +0,0 @@
---- old.parserES5SymbolProperty9.errors.txt
-+++ new.parserES5SymbolProperty9.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserES5SymbolProperty9.ts(2,5): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
- parserES5SymbolProperty9.ts(2,6): error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
-
-
--==== parserES5SymbolProperty9.ts (1 errors) ====
-+==== parserES5SymbolProperty9.ts (2 errors) ====
-     var x: {
-         [Symbol.toPrimitive]: string
-+        ~~~~~~~~~~~~~~~~~~~~
-+!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
-          ~~~~~~
- !!! error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
-     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserIndexSignature11.errors.txt b/testdata/baselines/reference/submodule/conformance/parserIndexSignature11.errors.txt
index 8a129399db..3e95b90671 100644
--- a/testdata/baselines/reference/submodule/conformance/parserIndexSignature11.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserIndexSignature11.errors.txt
@@ -1,14 +1,11 @@
-parserIndexSignature11.ts(2,9): error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
 parserIndexSignature11.ts(2,10): error TS2304: Cannot find name 'p'.
 parserIndexSignature11.ts(3,9): error TS1021: An index signature must have a type annotation.
 parserIndexSignature11.ts(4,10): error TS1096: An index signature must have exactly one parameter.
 
 
-==== parserIndexSignature11.ts (4 errors) ====
+==== parserIndexSignature11.ts (3 errors) ====
     interface I {
             [p]; // Used to be indexer, now it is a computed property
-            ~~~
-!!! error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
              ~
 !!! error TS2304: Cannot find name 'p'.
             [p1: string];
diff --git a/testdata/baselines/reference/submodule/conformance/parserIndexSignature11.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserIndexSignature11.errors.txt.diff
deleted file mode 100644
index 6a030b74fc..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserIndexSignature11.errors.txt.diff
+++ /dev/null
@@ -1,18 +0,0 @@
---- old.parserIndexSignature11.errors.txt
-+++ new.parserIndexSignature11.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserIndexSignature11.ts(2,9): error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
- parserIndexSignature11.ts(2,10): error TS2304: Cannot find name 'p'.
- parserIndexSignature11.ts(3,9): error TS1021: An index signature must have a type annotation.
- parserIndexSignature11.ts(4,10): error TS1096: An index signature must have exactly one parameter.
-
-
--==== parserIndexSignature11.ts (3 errors) ====
-+==== parserIndexSignature11.ts (4 errors) ====
-     interface I {
-             [p]; // Used to be indexer, now it is a computed property
-+            ~~~
-+!!! error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
-              ~
- !!! error TS2304: Cannot find name 'p'.
-             [p1: string];
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserIndexSignature5.errors.txt b/testdata/baselines/reference/submodule/conformance/parserIndexSignature5.errors.txt
index 9ce3a68de6..9648dfc73e 100644
--- a/testdata/baselines/reference/submodule/conformance/parserIndexSignature5.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/parserIndexSignature5.errors.txt
@@ -1,12 +1,9 @@
-parserIndexSignature5.ts(2,3): error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
 parserIndexSignature5.ts(2,4): error TS2304: Cannot find name 'a'.
 
 
-==== parserIndexSignature5.ts (2 errors) ====
+==== parserIndexSignature5.ts (1 errors) ====
     interface I {
       [a] // Used to be indexer, now it is a computed property
-      ~~~
-!!! error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
        ~
 !!! error TS2304: Cannot find name 'a'.
     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/parserIndexSignature5.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/parserIndexSignature5.errors.txt.diff
deleted file mode 100644
index ca0f74e439..0000000000
--- a/testdata/baselines/reference/submodule/conformance/parserIndexSignature5.errors.txt.diff
+++ /dev/null
@@ -1,16 +0,0 @@
---- old.parserIndexSignature5.errors.txt
-+++ new.parserIndexSignature5.errors.txt
-@@= skipped -0, +0 lines =@@
-+parserIndexSignature5.ts(2,3): error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
- parserIndexSignature5.ts(2,4): error TS2304: Cannot find name 'a'.
-
-
--==== parserIndexSignature5.ts (1 errors) ====
-+==== parserIndexSignature5.ts (2 errors) ====
-     interface I {
-       [a] // Used to be indexer, now it is a computed property
-+      ~~~
-+!!! error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
-        ~
- !!! error TS2304: Cannot find name 'a'.
-     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/symbolProperty59.errors.txt b/testdata/baselines/reference/submodule/conformance/symbolProperty59.errors.txt
index 8886ebb736..fae26a075e 100644
--- a/testdata/baselines/reference/submodule/conformance/symbolProperty59.errors.txt
+++ b/testdata/baselines/reference/submodule/conformance/symbolProperty59.errors.txt
@@ -1,12 +1,9 @@
-symbolProperty59.ts(2,5): error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
 symbolProperty59.ts(2,5): error TS2464: A computed property name must be of type 'string', 'number', 'symbol', or 'any'.
 
 
-==== symbolProperty59.ts (2 errors) ====
+==== symbolProperty59.ts (1 errors) ====
     interface I {
         [Symbol.keyFor]: string;
         ~~~~~~~~~~~~~~~
-!!! error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
-        ~~~~~~~~~~~~~~~
 !!! error TS2464: A computed property name must be of type 'string', 'number', 'symbol', or 'any'.
     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/symbolProperty59.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/symbolProperty59.errors.txt.diff
deleted file mode 100644
index 8cf83dc1cd..0000000000
--- a/testdata/baselines/reference/submodule/conformance/symbolProperty59.errors.txt.diff
+++ /dev/null
@@ -1,16 +0,0 @@
---- old.symbolProperty59.errors.txt
-+++ new.symbolProperty59.errors.txt
-@@= skipped -0, +0 lines =@@
-+symbolProperty59.ts(2,5): error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
- symbolProperty59.ts(2,5): error TS2464: A computed property name must be of type 'string', 'number', 'symbol', or 'any'.
-
-
--==== symbolProperty59.ts (1 errors) ====
-+==== symbolProperty59.ts (2 errors) ====
-     interface I {
-         [Symbol.keyFor]: string;
-+        ~~~~~~~~~~~~~~~
-+!!! error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
-         ~~~~~~~~~~~~~~~
- !!! error TS2464: A computed property name must be of type 'string', 'number', 'symbol', or 'any'.
-     }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/symbolProperty61.errors.txt b/testdata/baselines/reference/submodule/conformance/symbolProperty61.errors.txt
deleted file mode 100644
index 09770ae96c..0000000000
--- a/testdata/baselines/reference/submodule/conformance/symbolProperty61.errors.txt
+++ /dev/null
@@ -1,36 +0,0 @@
-symbolProperty61.ts(22,5): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
-
-
-==== symbolProperty61.ts (1 errors) ====
-    declare global {
-      interface SymbolConstructor {
-        readonly obs: symbol
-      }
-    }
-    
-    const observable: typeof Symbol.obs = Symbol.obs
-    
-    export class MyObservable<T> {
-        constructor(private _val: T) {}
-    
-        subscribe(next: (val: T) => void) {
-            next(this._val)
-        }
-    
-        [observable]() {
-            return this
-        }
-    }
-    
-    type InteropObservable<T> = {
-        [Symbol.obs]: () => { subscribe(next: (val: T) => void): void }
-        ~~~~~~~~~~~~
-!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
-    }
-    
-    function from<T>(obs: InteropObservable<T>) {
-        return obs[Symbol.obs]()
-    }
-    
-    from(new MyObservable(42))
-    
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/symbolProperty61.errors.txt.diff b/testdata/baselines/reference/submodule/conformance/symbolProperty61.errors.txt.diff
deleted file mode 100644
index b800f0a11d..0000000000
--- a/testdata/baselines/reference/submodule/conformance/symbolProperty61.errors.txt.diff
+++ /dev/null
@@ -1,40 +0,0 @@
---- old.symbolProperty61.errors.txt
-+++ new.symbolProperty61.errors.txt
-@@= skipped -0, +0 lines =@@
--<no content>
-+symbolProperty61.ts(22,5): error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
-+
-+
-+==== symbolProperty61.ts (1 errors) ====
-+    declare global {
-+      interface SymbolConstructor {
-+        readonly obs: symbol
-+      }
-+    }
-+    
-+    const observable: typeof Symbol.obs = Symbol.obs
-+    
-+    export class MyObservable<T> {
-+        constructor(private _val: T) {}
-+    
-+        subscribe(next: (val: T) => void) {
-+            next(this._val)
-+        }
-+    
-+        [observable]() {
-+            return this
-+        }
-+    }
-+    
-+    type InteropObservable<T> = {
-+        [Symbol.obs]: () => { subscribe(next: (val: T) => void): void }
-+        ~~~~~~~~~~~~
-+!!! error TS1170: A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.
-+    }
-+    
-+    function from<T>(obs: InteropObservable<T>) {
-+        return obs[Symbol.obs]()
-+    }
-+    
-+    from(new MyObservable(42))
-+    
\ No newline at end of file