Fix external snapshot reading by removing an assumption that strings in the snapshot file are null-terminated.

R=vogelheim@chromium.org

Review URL: https://codereview.chromium.org/496253003

Patch from André Baixo <baixo@google.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23416 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Make filter for optimized code sharing finer.

R=titzer@chromium.org

Review URL: https://codereview.chromium.org/506793003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23417 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
MIPS: Change more PlatformCodeStubs to encode properties in the minor key.

Port r23394 (6366610)

BUG=
R=paul.lind@imgtec.com

Review URL: https://codereview.chromium.org/511463002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23418 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
MIPS: Minor-key-ify CallICStub and CallIC_ArrayStub.

Port r23403 (553b376)

BUG=
R=paul.lind@imgtec.com

Review URL: https://codereview.chromium.org/503373002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23419 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Merge remote-tracking branch 'upstream/master'