Auto merge of #109503 - matthiaskrgr:rollup-cnp7kdd, r=matthiaskrgr

Rollup of 9 pull requests

Successful merges:

 - #108954 (rustdoc: handle generics better when matching notable traits)
 - #109203 (refactor/feat: refactor identifier parsing a bit)
 - #109213 (Eagerly intern and check CrateNum/StableCrateId collisions)
 - #109358 (rustc: Remove unused `Session` argument from some attribute functions)
 - #109359 (Update stdarch)
 - #109378 (Remove Ty::is_region_ptr)
 - #109423 (Use region-erased self type during IAT selection)
 - #109447 (new solver cleanup + implement coherence)
 - #109501 (make link clickable)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup

Author: bors

Cargo.lock

@@ -5294,6 +5294,7 @@ name = "rustc_span"
 version = "0.0.0"
 dependencies = [
  "cfg-if",
+ "indexmap",
  "md-5",
  "rustc_arena",
  "rustc_data_structures",

compiler/rustc_ast/src/attr/mod.rs

@@ -180,6 +180,12 @@ impl Attribute {
         self.doc_str().map_or(false, |s| comments::may_have_doc_links(s.as_str()))
     }
 
+    pub fn is_proc_macro_attr(&self) -> bool {
+        [sym::proc_macro, sym::proc_macro_attribute, sym::proc_macro_derive]
+            .iter()
+            .any(|kind| self.has_name(*kind))
+    }
+
     /// Extracts the MetaItem from inside this Attribute.
     pub fn meta(&self) -> Option<MetaItem> {
         match &self.kind {
@@ -627,6 +633,22 @@ pub fn mk_attr_name_value_str(
     mk_attr(g, style, path, args, span)
 }
 
+pub fn filter_by_name(attrs: &[Attribute], name: Symbol) -> impl Iterator<Item = &Attribute> {
+    attrs.iter().filter(move |attr| attr.has_name(name))
+}
+
+pub fn find_by_name(attrs: &[Attribute], name: Symbol) -> Option<&Attribute> {
+    filter_by_name(attrs, name).next()
+}
+
+pub fn first_attr_value_str_by_name(attrs: &[Attribute], name: Symbol) -> Option<Symbol> {
+    find_by_name(attrs, name).and_then(|attr| attr.value_str())
+}
+
+pub fn contains_name(attrs: &[Attribute], name: Symbol) -> bool {
+    find_by_name(attrs, name).is_some()
+}
+
 pub fn list_contains_name(items: &[NestedMetaItem], name: Symbol) -> bool {
     items.iter().any(|item| item.has_name(name))
 }