[Bug sanitizer/62132] [5 Regression] FAIL: c-c++-common/asan/misalign-[12].c after r213807 on x86_64-apple-darwin13 with -m32

[iains at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62132

--- Comment #11 from Iain Sandoe <iains at gcc dot gnu.org> ---
(In reply to Yury Gribov from comment #10)
> (In reply to Dominique d'Humieres from comment #9)
> > Per comments 6 and 7 I have tried
> > ...
> > but it does not fix the failures. What am I misunderstanding?
> 
> That wouldn't help because libsanitizer does not use -funwind-tables even if
> they are available.  I think the problem is in StackTrace::WillUseFastUnwind
> in libsanitizer/sanitizer_common/sanitizer_stacktrace.h.

Dominique,
in summary: as things stand (with the current asan) your first fix LGTM. 
However, you should post it for approval by an appropriate maintainer.