X87: Interrupts must not mask stack overflow.

port r21874

original commit message:
   Interrupts must not mask stack overflow.
   BUG=385002
R=weiliang.lin@intel.com

Review URL: https://codereview.chromium.org/336413009

Patch from Chunyang Dai <chunyang.dai@intel.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21881 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Revert "Parser: Delay internalizing strings and values." (r21841)

Plus the fixes on top.

Reason: regresses benchmarks (JSBench) and perf (morejs).

TBR=rossberg@chromium.org
BUG=385404
LOG=N

Review URL: https://codereview.chromium.org/345513003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21882 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Add safe numerics classes, imported from Chromium.

Not used for anything yet.

R=jochen@chromium.org

Review URL: https://codereview.chromium.org/336183003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21883 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
IC misses should not count towards execution pauses in plots.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/345543002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21884 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix LStoreCodeEntry to treat the code_object parameter as input.

The bug seems to trigger only with array_index_dehoisting off in
the snapshot, so it is hard to test for (ideas?).

R=mvstanton@chromium.org
BUG=

Review URL: https://codereview.chromium.org/347523002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21885 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Move invalid string length check to the factory.

R=ishell@chromium.org

Review URL: https://codereview.chromium.org/347503003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21886 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Revert "Optimize Function.prototype.call"

This reverts commit r21840.

R=danno@chromium.org
LOG=y
BUG=chromium:385565

Review URL: https://codereview.chromium.org/347573002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21887 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Merge remote-tracking branch 'upstream/master'