fix core for targets with max-atomic-width = 0

closes #45802
rust-lang · Nov 8, 2017 · 47ed473 · 47ed473
1 parent 02004ef
commit 47ed473
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/libcore/sync/atomic.rs b/src/libcore/sync/atomic.rs
@@ -927,6 +927,7 @@ impl<T> AtomicPtr<T> {
     }
 }
 
+#[cfg(target_has_atomic = "ptr")]
 #[stable(feature = "atomic_from", since = "1.23.0")]
 impl<T> From<*mut T> for AtomicPtr<T> {
     #[inline]