Remove uses of MaybeObject in runtime.cc.

R=ulan@chromium.org

Review URL: https://codereview.chromium.org/240253003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20828 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Track up to 5 stable maps as field type.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/240813002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20831 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Some MaybeHandles related cleanups.

R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/240443005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20832 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Handlify function.prototype accessor.

BUG=
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/240323004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20833 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Tiny Parser fix: init identifiers.

This bug went unnoticed because PreParserIdentifier and Handle<String> have
default ctors which create a null identifier, but this it not true for all
possible identifier types (especially pointers).

R=ulan@chromium.org
BUG=

Review URL: https://codereview.chromium.org/238253012

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20834 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix handlification bug in test

R=bmeurer@chromium.org, mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/240603004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20835 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Harden runtime functions

Part 1 of many.

R=dslomov@chromium.org

Review URL: https://codereview.chromium.org/239313002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20836 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Grow old generation slower on low-memory devices.

BUG=
R=mstarzinger@chromium.org, rmcilroy@chromium.org

Review URL: https://codereview.chromium.org/236063015

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20837 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
X64: fix arguments adaptor stack check after r20751.

BUG=
R=haitao.feng@intel.com

Review URL: https://codereview.chromium.org/239703012

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20838 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Remove hand-written assembly ArrayPush stubs

R=mstarzinger@chromium.org, verwaest@chromium.org

Review URL: https://codereview.chromium.org/233293005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20839 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Select function map based on prototype and shared function info.

BUG=
R=ishell@chromium.org

Review URL: https://codereview.chromium.org/237963024

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20840 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Extend GCMole to also cover cctest files.

R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/240933002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20841 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Always pass in code to NewFunctionWithoutPrototype

BUG=
R=ishell@chromium.org

Review URL: https://codereview.chromium.org/239053007

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20842 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Initialize elements pointer in BuildCloneShallowArray when allocation folding is turned off.

BUG=
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/219173003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20843 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Merge remote-tracking branch 'upstream/master'