[PATCH] [clang/asan] call __asan_poison_cxx_array_cookie after operator new[]

[Timur Iskhodzhanov]

Am I right that skipping MicrosoftCXXABI for a while won't give us false positives?
If so, I'd wait until a change to ItaniumCXXABI lands and then I can just do that for MicrosoftCXXABI.

http://reviews.llvm.org/D4774