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Auto merge of #43588 - dns2utf8:wrapping_add, r=sfackler

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Use explicit wrapping_add …

… to prevent potential unexpected behavior on debug builds.
This commit is contained in:
bors 2017-08-09 11:10:23 +00:00
commit c2de81f4c9
1 changed files with 1 additions and 1 deletions
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src/libstd/sync/barrier.rs
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@ -152,7 +152,7 @@ impl Barrier {
BarrierWaitResult(false) BarrierWaitResult(false)
} else { } else {
lock.count = 0; lock.count = 0;
lock.generation_id += 1; lock.generation_id = lock.generation_id.wrapping_add(1);
self.cvar.notify_all(); self.cvar.notify_all();
BarrierWaitResult(true) BarrierWaitResult(true)
} }