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Reset nursery position when it's disabled.

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Jon Coppeard 2019-03-22 13:17:31 +01:00 • committed by Roy Tam
commit 4105e6bba4
2 changed files with 2 additions and 0 deletions
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1
js/src/gc/Nursery.cpp
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@ -210,6 +210,7 @@ js::Nursery::disable()
return; return;
updateNumChunks(0); updateNumChunks(0);
currentEnd_ = 0; currentEnd_ = 0;
position_ = 0;
runtime()->gc.storeBuffer.disable(); runtime()->gc.storeBuffer.disable();
} }

1
js/src/gc/Nursery.h
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@ -245,6 +245,7 @@ class Nursery
// Free space remaining, not counting chunk trailers. // Free space remaining, not counting chunk trailers.
MOZ_ALWAYS_INLINE size_t freeSpace() const { MOZ_ALWAYS_INLINE size_t freeSpace() const {
MOZ_ASSERT(isEnabled());
MOZ_ASSERT(currentEnd_ - position_ <= NurseryChunkUsableSize); MOZ_ASSERT(currentEnd_ - position_ <= NurseryChunkUsableSize);
return (currentEnd_ - position_) + return (currentEnd_ - position_) +
(numChunks() - currentChunk_ - 1) * NurseryChunkUsableSize; (numChunks() - currentChunk_ - 1) * NurseryChunkUsableSize;