Prevent direct inclusion of headers from TF.

R=jochen@chromium.org, titzer@chromium.org

Review URL: https://codereview.chromium.org/438243004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22874 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Enable C++11. Synch toolchains with Chrome.

* Consistently enable C++11 features on all platforms.
* Use the same ARM toolchain version as Chrome.
* Make clang the default on Mac OS X, just like Chrome.
* Use C99 on Mac OS X, again following Chrome.
* Small build fixes.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/440663002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22875 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
[turbofan] Improve testability of the InstructionSelector.

Allow to pass the set of supported CPU features to
the InstructionSelector, so it can be tested without
messing with the command line flags.

Also add InstructionSelector sample for ia32.

TEST=cctest/test-instruction-selector,cctest/test-instruction-selector-{arm,ia32}
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/441883004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22876 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Implement lowering of JS[Load,Store][Property,Named] to ICs.

R=titzer@chromium.org

Review URL: https://codereview.chromium.org/439263004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22877 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Merge remote-tracking branch 'upstream/bleeding_edge' into bleeding_edge