zaks ef925f8fb3 [asan] Add basic support for Address Sanitizer function instrumentation ...

ASan allows to catch and diagnose memory corruption errors, which are possible
when using unsafe pointers.

This patch introduces a new driver/frontend option -sanitize=address to enable
ASan. When option is passed in, the ASan llvm passes will be turned on and
all functions will gain SanitizeAddress llvm attribute.

2016-02-24 09:45:38 -08:00

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