Fix test driver json output.

TBR=tandrii@chromium.org

Review URL: https://codereview.chromium.org/716713002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25254 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
PowerPC specific sub-directories.

Technically, this is https://codereview.chromium.org/571173003/ from Andrew Low <andrew_low@ca.ibm.com>.

TBR=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/714093002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25255 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Add optional max elements limit for Map/Set mirror iterator preview.

R=yangguo@chromium.org
LOG=N

Review URL: https://codereview.chromium.org/712083002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25257 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Reland "In-object double fields unboxing (for 64-bit only)."

R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/711313002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25258 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
harmony-scoping: Implement LoadIC handler for loads from global contexts.

R=ishell@chromium.org, adamk@chromium.org, rossberg@chromium.org, verwaest@chromium.org
BUG=v8:2198
LOG=N

Review URL: https://codereview.chromium.org/696783005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25259 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Removed gcc_version magic from our GYP files, we don't support GCC 4.4 anymore.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/710233004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25260 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Removed CSCOPE artifact.

TBR=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/711363002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25261 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Remove PhiReducer.

R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/684993006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25262 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Merge remote-tracking branch 'upstream/bleeding_edge' into bleeding_edge