commit 0e0025da360e1f9793712c9c772fb76e1b4c2160
author sigbjornf <sigbjornf@opera.com> Wed Mar 16 21:41:30 2016
committer Commit bot <commit-bot@chromium.org> Wed Mar 16 21:43:45 2016
tree 7bd9b71170ef5985124da0d0550c6f83fa05733d
parent 3f976f86c1f70b8150cc56b4899859bbb20e5b1d

(Only) poison unmarked heap objects prior to sweeping.

Drop the unnecessary restriction that eagerly finalized objects aren't
allowed to touch access other eagerly finalized, but live, objects during
finalization. They're allowed to access live objects in other heaps/arenas,
so the same-heap restriction makes little sense.

Simplify the HeapPage poisoning methods as a result.

R=haraken
BUG=594129

Review URL: https://codereview.chromium.org/1805343004

Cr-Commit-Position: refs/heads/master@{#381554}