Implement AddressSanitizer suppressions.

Adds 3 new suppression types, "interceptor_name", "interceptor_via_fun", "interceptor_via_lib".

Reviewed at http://reviews.llvm.org/D6280.



git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@223508 91177308-0d34-0410-b5e6-96231b3b80d8