Rollup merge of #158497 - folkertdev:stdarch-sync-2026-06-27, r=folkertdev

stdarch subtree update

Subtree update of `stdarch` to rust-lang/stdarch@62d5595.

Created using https://github.com/rust-lang/josh-sync.

r? @ghost

Author: jhpratt

src/intrinsic/llvm.rs

@@ -1044,7 +1044,7 @@ pub fn intrinsic<'gcc, 'tcx>(name: &str, cx: &CodegenCx<'gcc, 'tcx>) -> Function
 #[cfg(feature = "master")]
 pub fn intrinsic<'gcc, 'tcx>(name: &str, cx: &CodegenCx<'gcc, 'tcx>) -> Function<'gcc> {
     let gcc_name = match name {
-        "llvm.prefetch" => {
+        "llvm.prefetch.p0" => {
             let gcc_name = "__builtin_prefetch";
             let func = cx.context.get_builtin_function(gcc_name);
             cx.functions.borrow_mut().insert(gcc_name.to_string(), func);