Initialized representations of computed values to None.

R=danno@chromium.org

Review URL: https://chromiumcodereview.appspot.com/14721009

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14982 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Assign less environments

R=danno@chromium.org

Review URL: https://chromiumcodereview.appspot.com/16556002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14983 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Add initial parser support for harmony iteration

This commit adds initial parser support for harmony iteration.
Specifically, it will parse:

  for (x of y) {}
  for (let x of y) {}
  for (var x of y) {}

The semantics are still unimplemented.

TEST=mjsunit/harmony/for-of-syntax
BUG=v8:2214
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/15300018

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14984 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix bogus assertions for tracing and verify.

R=mstarzinger@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/15778012

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14985 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Do not GC prior to every parallel recompile.

R=jkummerow@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/16410005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14986 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Allow smis for singleton types

To that end, introduce a generic Box struct.

R=danno@chromium.org
BUG=

Review URL: https://codereview.chromium.org/16562003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14987 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
MIPS: Assign less environments.

Port r14983 (960d6de)

BUG=

Review URL: https://codereview.chromium.org/16567002
Patch from Balazs Kilvady <kilvadyb@homejinni.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14988 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Remove redudant deleted_count argument from EnqueueSpliceRecord

R=rossberg@chromium.org
BUG=

Review URL: https://codereview.chromium.org/16438010

Patch from Rafael Weinstein <rafaelw@chromium.org>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14989 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
ReturnValue::Set(uint32_t) is wrong

R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/16365008

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14990 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
build fix for 14990

BUG=
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/16180011

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14991 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
lint failure with latest depot_tools

BUG=
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/15795006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14992 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
build fix for build fix for 14990

BUG=
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/16409011

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14993 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Remove use of Isolate::Current in regexp macro assemblers.

BUG=
R=hpayer@chromium.org

Review URL: https://chromiumcodereview.appspot.com/16026020

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14994 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Add Value::Cast.

It's needed for upcasting Persistent<Object> to Persistent<Value> after
handlepocalypse (with Persistent::As or Persistent::Cast).

BUG=
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/16206014

Patch from Marja Hölttä <marja@chromium.org>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14995 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Infer the range of Math.abs

R=jkummerow@chromium.org, svenpanne@chromium.org

Review URL: https://chromiumcodereview.appspot.com/16268009

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14996 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Don't ignore the actual input representation in UnaryMathOperations

R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/16035014

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14997 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
ARM: Fix build flags for snapshot generation.

The existing code ignores armv7 and arm_fpu flags since r14288.

R=jkummerow@chromium.org, rodolph.perfetta@gmail.com

Review URL: https://chromiumcodereview.appspot.com/16313003

Patch from Jakob Kummerow <jkummerow@chromium.org>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14998 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Make ReturnValue a friend of Persistent, so it can use operator*.

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

Review URL: https://codereview.chromium.org/15848010

Patch from Marja Hölttä <marja@chromium.org>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14999 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Recording array buffer views.

R=hpayer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/15562008

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@15000 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Allow boundscheck elimination to work on Smi keys.

R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/16035016

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@15001 ce2b1a6d-e550-0410-aec6-3dcde31c8c00