Status: Accepted
Owner: [email protected]
CC: [email protected]
Labels: Type-Bug Priority-Medium
New issue 2423 by [email protected]: Missing forward white to grey
transition for bulk writes.
http://code.google.com/p/v8/issues/detail?id=2423
We have a IncrementalMarking::RecordWrites() method that we use for bulk
writes into objects (mostly copying and array builtins). This currently
does a backward black to grey transition even on objects with a progress
bar.
We could be pretty smart about ArrayShift and friends here, but for now I
think we should just reset the progress bar to zero in cases we hit an
object with a progress bar in this write barrier. That's easier and far
less bug-prone.
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