http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49503

--- Comment #8 from Michael Zolotukhin <michael.v.zolotukhin at gmail dot com> 
2011-06-23 16:03:32 UTC ---
(In reply to comment #6)
> (In reply to comment #4)
> > Created attachment 24584 [details]
> > Test showing that cleanup-* tests are not quite correct.
> 
> Wrong test.  You don't know the alignment of buf.
> You should put an alignment attribute on buf.

I added new test, with align attribute.
Compiler sometimes could make stack aligned (accidentally), and the bug
wouldn't show up.
To watch the fail, try use following command line:
gcc cleanup-regression-2.c -O0 -lm -fno-inline -fexceptions
-fnon-call-exceptions -fasynchronous-unwind-tables && ./a.out

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