Update error message.

anp · anp · commit 9bdbe1b5d36a · 2019-10-19T14:03:44.000-07:00
diff --git a/src/test/ui/rfc-2091-track-caller/should-pass.stderr b/src/test/ui/rfc-2091-track-caller/should-pass.stderr
@@ -6,7 +6,7 @@ LL | #![feature(track_caller)]
    |
    = note: `#[warn(incomplete_features)]` on by default
 
-thread 'rustc' panicked at 'assertion failed: !value.needs_subst()', src/librustc/traits/query/normalize_erasing_regions.rs:59:9
+thread 'rustc' panicked at 'index out of bounds: the len is 0 but the index is 0', $SRC_DIR/libcore/slice/mod.rs:LL:COL
 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace.
 
 error: internal compiler error: unexpected panic

Original file line number	Diff line number	Diff line change
`@@ -6,7 +6,7 @@ LL \| #![feature(track_caller)]`
`6`	`6`	`\|`
`7`	`7`	= note: `#[warn(incomplete_features)]` on by default
`8`	`8`
`9`		`-thread 'rustc' panicked at 'assertion failed: !value.needs_subst()', src/librustc/traits/query/normalize_erasing_regions.rs:59:9`
	`9`	`+thread 'rustc' panicked at 'index out of bounds: the len is 0 but the index is 0', $SRC_DIR/libcore/slice/mod.rs:LL:COL`
`10`	`10`	note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace.
`11`	`11`
`12`	`12`	`error: internal compiler error: unexpected panic`