Auto merge of rust-lang#138771 - matthiaskrgr:rollup-w8mnn3t, r=matthiaskrgr

Rollup of 10 pull requests

Successful merges:

 - rust-lang#138364 (ports the compiler test cases to new rust_intrinsic format)
 - rust-lang#138570 (add `naked_functions_target_feature` unstable feature)
 - rust-lang#138623 ([bootstrap] Use llvm_runtimes for compiler-rt)
 - rust-lang#138627 (Autodiff cleanups)
 - rust-lang#138669 (tests: accept some noise from LLVM 21 in symbols-all-mangled)
 - rust-lang#138706 (Improve bootstrap git modified path handling)
 - rust-lang#138709 (Update GCC submodule)
 - rust-lang#138717 (Add an attribute that makes the spans from a macro edition 2021, and fix pin on edition 2024 with it)
 - rust-lang#138721 (Use explicit cpu in some asm and codegen tests.)
 - rust-lang#138728 (Update `compiler-builtins` to 0.1.152)

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

try-job: aarch64-apple
try-job: x86_64-msvc-1
try-job: x86_64-gnu
try-job: dist-i586-gnu-i586-i686-musl

Author: bors

compiler/rustc_attr_data_structures/src/attributes.rs

@@ -191,6 +191,7 @@ pub enum AttributeKind {
     },
     MacroTransparency(Transparency),
     Repr(ThinVec<(ReprAttr, Span)>),
+    RustcMacroEdition2021,
     Stability {
         stability: Stability,
         /// Span of the `#[stable(...)]` or `#[unstable(...)]` attribute

compiler/rustc_attr_data_structures/src/lib.rs

@@ -182,21 +182,18 @@ macro_rules! find_attr {
     }};
 
     ($attributes_list: expr, $pattern: pat $(if $guard: expr)? => $e: expr) => {{
-        fn check_attribute_iterator<'a>(_: &'_ impl IntoIterator<Item = &'a rustc_hir::Attribute>) {}
-        check_attribute_iterator(&$attributes_list);
-
-        let find_attribute = |iter| {
+        'done: {
             for i in $attributes_list {
+                let i: &rustc_hir::Attribute = i;
                 match i {
                     rustc_hir::Attribute::Parsed($pattern) $(if $guard)? => {
-                        return Some($e);
+                        break 'done Some($e);
                     }
                     _ => {}
                 }
             }
 
             None
-        };
-        find_attribute($attributes_list)
+        }
     }};
 }