Added PRESERVE_ASCII_NULL option to String::WriteAscii. (issue 2252)

Added dependency to HLoadKeyed* instructions to prevent invalid hoisting. (Chromium issue 137768)

Enabled building d8 for Android on Mac.

Interpret negative hexadecimal literals as NaN. (issue 2240)

Expose counters in javascript when using --track-gc-object-stats.

Enabled building and testing V8 on Android IA.

Added --trace-parse flag to parser.

Performance and stability improvements on all platforms.

git-svn-id: http://v8.googlecode.com/svn/trunk@12180 ce2b1a6d-e550-0410-aec6-3dcde31c8c00