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[Bug nptl/11670] Variables defined in pthread_cleanup_push() macro may be optimised away which breaks __sigsetjmp


------- Additional Comments From christian dot eggers at kathrein dot de  2010-06-07 13:03 -------
(In reply to comment #4)
> GCC already knows that __sigsetjmp returns twice.
Are you sure?

# cd src/gcc-4.4.4
# find . | xargs grep __sigsetjmp
[some files under fixincludes]
<EOF>

I've no idea about GCC internals, but how does GCC know about the special
behaviour of __sigsetjmp()? Is this documented somewhere?

-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=11670

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