Reviewers: Toon Verwaest,
Message:
PTAL
Description:
Keep new arrays allocated with 'new Array(N)' in fast mode
Also explicit length setting with a.length = N should remain in fast mode.
Please review this at https://codereview.chromium.org/397593008/
SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files (+74, -38 lines):
M src/elements.cc
M src/runtime.h
M src/runtime.cc
M test/mjsunit/allocation-site-info.js
M test/mjsunit/apply.js
M test/mjsunit/array-constructor-feedback.js
M test/mjsunit/array-feedback.js
M test/mjsunit/array-splice.js
M test/mjsunit/array-unshift.js
M test/mjsunit/elements-kind.js
M test/mjsunit/es7/object-observe.js
M test/mjsunit/polymorph-arrays.js
M tools/generate-runtime-tests.py
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