Add stack overflow check for inlined property getter

We should check for overflow for each inlined property getter;
otherwise, we can get an overflow from inlining property getter while
still having pending overflow exception from some previous inlined
getter (in the same polymorphic access).

R=verwaest@chromium.org
TEST=test/mjsunit/regress/regress-inline-getter-near-stack-limit.js

Review URL: https://codereview.chromium.org/220813003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20588 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Introduced Atomic8 and added no-barrier Atomic8 accessors.

BUG=
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/228613005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20598 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Handlify all context allocators from the Heap.

R=yangguo@chromium.org
BUG=

Review URL: https://codereview.chromium.org/230393002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20600 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix regexp compilation cache.

R=ulan@chromium.org

Review URL: https://codereview.chromium.org/230283002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20601 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix return value of push() and unshift() on Array.prototype.

R=ulan@chromium.org
TEST=mjsunit/regress/regress-builtinbust-3

Review URL: https://codereview.chromium.org/230453002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20602 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Make new space iterable when transitioning double array to objects

R=hpayer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/228643002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20603 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Allow race-full access of map instance size when sweeping concurrently.

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

Review URL: https://codereview.chromium.org/227133007

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20604 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Use abstract configurations to switch between opt debug settings

The problem is that conditions are evaluated before configuration inheritance is resolved, so we can't just define a configuration like this:

'Optdebug': {
  'inherits_from': ['Debug'],
  'variables': {
    'v8_optimized_debug': 2,
  }
}

Instead, we have to put the different settings depending on the optimization level into separate configurations, and use conditions inside the concrete configurations to inherit from the correct base class.

Common settings go in the base configuration DebugBaseCommon, and v8_optimized_debug dependent settings go into DebugBase{0,1,2}

The new Debug configuration inherits from DebugBaseCommon and DebugBase<(v8_optimized_debug), while the new configuration Optdebug inherits from DebugBaseCommon and DebugBase2.

BUG=v8:3252
R=machenbach@chromium.org, jkummerow@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/224443003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20605 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Further ElementsAccessor handlification (GetKeyForIndex(), GetCapacity(), GetType() and GetAttributes()).

R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/228643003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20606 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Revert "Further ElementsAccessor handlification (GetKeyForIndex(), GetCapacity(), GetType() and GetAttributes())."

This reverts commit r20606 for breaking tests on windows.

TBR=dcarney@chromium.org

Review URL: https://codereview.chromium.org/230603002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20607 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix build with gcc 4.8 on Linux.

This fixes a build failure on Linux with gcc 4.8, after r20581.

BUG=
R=ishell@chromium.org

Review URL: https://codereview.chromium.org/229683003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20608 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix various bugs in the type systems, and improve test coverage.

R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/230463003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20609 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Merge remote-tracking branch 'upstream/master'