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(parent: 2b8d734) | patch
Use smi zero instead of undefine_value to zap dead weak cells.
authorulan@chromium.org <ulan@chromium.org>
Tue, 21 Oct 2014 09:42:16 +0000 (09:42 +0000)
committerulan@chromium.org <ulan@chromium.org>
Tue, 21 Oct 2014 09:42:16 +0000 (09:42 +0000)
commite777fc41268ef798efbe0033fc3fca34460625f2
treee1b96ec5f61f65650156c18d7f928f443212129btree | snapshot
parent2b8d734037449094f3aa5bda1fc31782cb811f6ecommit | diff
Use smi zero instead of undefine_value to zap dead weak cells.

It is faster to test for smi zero from generated code.

BUG=
R=erikcorry@chromium.org

Review URL: https://codereview.chromium.org/637253004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24758 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
src/heap/mark-compact.cc diff | blob | history
src/heap/objects-visiting-inl.h diff | blob | history
src/objects-inl.h diff | blob | history
src/objects.cc diff | blob | history
src/objects.h diff | blob | history
test/cctest/test-heap.cc diff | blob | history
Domain: Web Framework / Web Engine;