[PATCH] Fix ICE in Clang when dealing with attribute(__no_sanitize_*__)

[Adrian Zgorzalek via llvm-commits]

Hey,

Here is an attempt to fix https://llvm.org/bugs/show_bug.cgi?id=25067.

Summary:

After introducing no_sanitize, we try to map no_sanitize_* into a no_sanitize(“*”), the switch in code, however doesn’t handle cases when attribute is surrounded by two underscores on each of the ends. In this patch I am trying to utilize existing normalizeAttrName function, by exposing it to outside world and using it before feeding input to the switch.

Added unit tests for the crashes I encountered and patched.

Thanks,
Adrian



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