[Bug sanitizer/64265] [5 Regression] r217669 broke tsan

[dvyukov at google dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64265

Dmitry Vyukov <dvyukov at google dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |dvyukov at google dot com

--- Comment #8 from Dmitry Vyukov <dvyukov at google dot com> ---
Exceptions are currently unsupported by tsan.
Yes, we can do either what we do in longjmp if it's possible to figure out the
landing frame in runtime, or add __tsan_func_exit to cleanup statements for
each function in compiler (obviously simpler for runtime, but more complex for
compiler).
I don't know what is simpler and what is exceptions ABI. Is it possible to do
what we do for longjmp for exceptions?
There is an issue for this in tsan tracker:
https://code.google.com/p/thread-sanitizer/issues/detail?id=78