Allocation space decisions are precisely made in hydrogen.

BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/21089006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@15970 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Revert target arch detection.

TBR=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/21243004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@15971 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix NaCl build.

TBR=machenbach@chromium.org,svenpanne@chromium.org

Review URL: https://codereview.chromium.org/21336002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@15972 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Free slots buffer entries when tearing down the heap.

BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/21216003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@15973 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
make Intl non-enumerable

R=jochen@chromium.org, svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/21213003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@15974 ce2b1a6d-e550-0410-aec6-3dcde31c8c00