Allow the use of the deprecated llvm_asm! in black_box

2021-08-12 00:18:53 +01:00 · 2021-08-12 00:18:53 +01:00 · 6fd4f3463f
commit 6fd4f3463f
parent 4dd933cdc2
1 changed files with 1 additions and 0 deletions
--- a/library/core/src/hint.rs
+++ b/library/core/src/hint.rs
@ -155,6 +155,7 @@ pub fn spin_loop() {
 #[inline]
 #[unstable(feature = "bench_black_box", issue = "64102")]
 #[cfg_attr(not(bootstrap), allow(unused_mut))]
+#[cfg_attr(bootstrap, allow(deprecated))]
 pub fn black_box<T>(mut dummy: T) -> T {
    #[cfg(bootstrap)]
    // SAFETY: the inline assembly is a no-op.