Mac: Explicitly disable -fstrict-aliasing.
Mac: Explicitly disable -fstrict-aliasing.

Mark says: "When GCC_STRICT_ALIASING is YES, Xcode adds -fstrict-aliasing to the compiler command line. When it’s NO, it doesn’t add anything (not even -fno-strict-aliasing). Xcode doesn’t know that -fstrict-aliasing is on at our selected optimization level."

So add this directly to OTHER_CLFAGS.

BUG=32204
TEST=none

Review URL: http://codereview.chromium.org/6909037

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@84064 0039d316-1c4b-4281-b951-d872f2087c98

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