https://codereview.chromium.org/1105693002/diff/60001/src/heap/identity-map.h
File src/heap/identity-map.h (right):
https://codereview.chromium.org/1105693002/diff/60001/src/heap/identity-map.h#newcode88
src/heap/identity-map.h:88: *(reinterpret_cast<V*>(GetEntry(key))) =
value;
This assignment takes place without holding the lock, but outside the
lock, things can move around. You could be writing in the old version.
Similar issues with Find and Get. They are returning pointers into the
values array, which the caller can use without holding the lock.
https://codereview.chromium.org/1105693002/
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