do not use const stability attribute when we don't even need to call the intrinsic in const

RalfJung · Amanieu · commit 205b3a1de4f1 · 2023-11-16T15:53:11.000-08:00
diff --git a/crates/core_arch/src/powerpc/altivec.rs b/crates/core_arch/src/powerpc/altivec.rs
@@ -571,7 +571,6 @@ mod sealed {
 
                 // Workaround ptr::copy_nonoverlapping not being inlined
                 extern "rust-intrinsic" {
-                    #[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.63.0")]
                     #[rustc_nounwind]
                     pub fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize);
                 }

Original file line number	Diff line number	Diff line change
`@@ -571,7 +571,6 @@ mod sealed {`
`571`	`571`
`572`	`572`	`// Workaround ptr::copy_nonoverlapping not being inlined`
`573`	`573`	`extern "rust-intrinsic" {`
`574`		`- #[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.63.0")]`
`575`	`574`	`#[rustc_nounwind]`
`576`	`575`	`pub fn copy_nonoverlapping<T>(src: const T, dst: mut T, count: usize);`
`577`	`576`	`}`