Auto merge of #120620 - matthiaskrgr:rollup-sscmbsm, r=matthiaskrgr

Rollup of 10 pull requests

Successful merges:

 - #119543 (add avx512fp16 to x86 target features)
 - #120004 (Release notes for 1.76)
 - #120562 (Revert unsound libcore changes)
 - #120566 (coverage: Use normal `edition:` headers in coverage tests)
 - #120570 (Suggest changing type to const parameters if we encounter a type in the trait bound position)
 - #120571 (Miscellaneous diagnostics cleanups)
 - #120573 (Remove `BorrowckErrors::tainted_by_errors`)
 - #120592 (Remove unnecessary `.to_string()`/`.as_str()`s)
 - #120610 (hir: Remove the generic type parameter from `MaybeOwned`)
 - #120616 (Fix ICE on field access on a tainted type after const-eval failure)

Failed merges:

 - #120569 (coverage: Improve handling of function/closure spans)

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

4 files changed, 4 insertions, 4 deletions

diff --git a/compiler/rustc_parse/src/lib.rs b/compiler/rustc_parse/src/lib.rs
index 49e036c3801..d5fa1108687 100644
--- a/compiler/rustc_parse/src/lib.rs
+++ b/compiler/rustc_parse/src/lib.rs
@@ -39,7 +39,7 @@ rustc_fluent_macro::fluent_messages! { "../messages.ftl" }
 // uses a HOF to parse anything, and <source> includes file and
 // `source_str`.
 
-/// A variant of 'panictry!' that works on a `Vec<Diagnostic>` instead of a single
+/// A variant of 'panictry!' that works on a `Vec<DiagnosticBuilder>` instead of a single
 /// `DiagnosticBuilder`.
 macro_rules! panictry_buffer {
     ($e:expr) => {{
diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs
index 9f748e2a3fe..e36a648e203 100644
--- a/compiler/rustc_parse/src/parser/expr.rs
+++ b/compiler/rustc_parse/src/parser/expr.rs
@@ -3288,7 +3288,7 @@ impl<'a> Parser<'a> {
                         } else {
                             Applicability::MaybeIncorrect
                         };
-                        err.span_suggestion_verbose(sugg_sp, msg, "=> ".to_string(), applicability);
+                        err.span_suggestion_verbose(sugg_sp, msg, "=> ", applicability);
                     }
                 }
                 err
diff --git a/compiler/rustc_parse/src/parser/generics.rs b/compiler/rustc_parse/src/parser/generics.rs
index 48cf04f7790..e059e707491 100644
--- a/compiler/rustc_parse/src/parser/generics.rs
+++ b/compiler/rustc_parse/src/parser/generics.rs
@@ -148,7 +148,7 @@ impl<'a> Parser<'a> {
             .with_span_suggestion_verbose(
                 mistyped_const_ident.span,
                 "use the `const` keyword",
-                kw::Const.as_str(),
+                kw::Const,
                 Applicability::MachineApplicable,
             )
             .emit();
diff --git a/compiler/rustc_parse/src/parser/item.rs b/compiler/rustc_parse/src/parser/item.rs
index 9a77643f951..8050b34956c 100644
--- a/compiler/rustc_parse/src/parser/item.rs
+++ b/compiler/rustc_parse/src/parser/item.rs
@@ -1453,7 +1453,7 @@ impl<'a> Parser<'a> {
                                 err.span_suggestion_verbose(
                                     prev_span,
                                     "perhaps you meant to use `struct` here",
-                                    "struct".to_string(),
+                                    "struct",
                                     Applicability::MaybeIncorrect,
                                 );
                             }