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

closes #45802
2017-11-09 00:20:55 +01:00 · 2017-11-09 00:20:55 +01:00 · 47ed4738d9
commit 47ed4738d9
parent 02004ef783
1 changed files with 1 additions and 0 deletions
--- 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]