Stage ES6 generators

R=dslomov@chromium.org
BUG=

Review URL: https://codereview.chromium.org/479543003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23272 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix parsing of --gtest_list_tests output.

R=machenbach@chromium.org

Review URL: https://codereview.chromium.org/485273004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23273 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Implement Function.prototype.toMethod.

R=arv@chromium.org, verwaest@chromium.org
BUG=v8:3330
LOG=N

Review URL: https://codereview.chromium.org/475423003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23274 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Reland "Load global object and builtins from activation."

Reland fixes:
Don't set string flags (doing so leaks memory).

Load closure from activation for building literals.

R=titzer@chromium.org

Review URL: https://codereview.chromium.org/484273003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23275 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Merge remote-tracking branch 'upstream/bleeding_edge' into bleeding_edge