From 6aff1ca68ca056a483cbd935b6e202298bef0080 Mon Sep 17 00:00:00 2001
From: Ralf Jung <post@ralfj.de>
Date: Sat, 9 Mar 2024 11:11:10 +0100
Subject: [PATCH] fix warning when building libcore for Miri

---
 library/core/src/intrinsics.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/library/core/src/intrinsics.rs b/library/core/src/intrinsics.rs
index aff1c589e628..9f4a1ed6870b 100644
--- a/library/core/src/intrinsics.rs
+++ b/library/core/src/intrinsics.rs
@@ -3120,6 +3120,7 @@ pub(crate) const fn miri_promise_symbolic_alignment(ptr: *const (), align: usize
 
     const fn compiletime(_ptr: *const (), _align: usize) {}
 
+    #[cfg_attr(not(bootstrap), allow(unused_unsafe))] // on bootstrap bump, remove unsafe block
     // SAFETY: the extra behavior at runtime is for UB checks only.
     unsafe {
         const_eval_select((ptr, align), compiletime, runtime);