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Fix infinite loop in Arc::downgrade

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This commit is contained in:
Amanieu d'Antras 2016-04-05 14:00:17 +01:00
parent f92ce2e9fe
commit af047d9c10
1 changed files with 1 additions and 0 deletions
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src/liballoc/arc.rs
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@ -263,6 +263,7 @@ impl<T: ?Sized> Arc<T> {
loop { loop {
// check if the weak counter is currently "locked"; if so, spin. // check if the weak counter is currently "locked"; if so, spin.
if cur == usize::MAX { if cur == usize::MAX {
cur = this.inner().weak.load(Relaxed);
continue; continue;
} }