ARM: Tidy up Throw and Mod

Small fixes to Throw and Mod Lithium instructions.

TEST=none
BUG=
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/98603005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@18200 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Support 'werror=no' on Mac/Xcode

R=ulan@chromium.org

Review URL: https://codereview.chromium.org/98653003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@18201 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Bug in StoreIC::GenerateMegamorphic: strict_mode/extra_ic_state mismatch.

When computing the code flags for a megamorphic store IC, we mistakenly
passed a strict_mode variable when an ExtraICState was expected.

R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/98633005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@18202 ce2b1a6d-e550-0410-aec6-3dcde31c8c00