Fix infinite loop in Arc::downgrade

rust-lang · Apr 5, 2016 · af047d9 · af047d9
1 parent f92ce2e
commit af047d9
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/liballoc/arc.rs b/src/liballoc/arc.rs
@@ -263,6 +263,7 @@ impl<T: ?Sized> Arc<T> {
         loop {
             // check if the weak counter is currently "locked"; if so, spin.
             if cur == usize::MAX {
+                cur = this.inner().weak.load(Relaxed);
                 continue;
             }