[Bug rtl-optimization/51353] GCC incorrectly optimizes away assignment to return address

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51353

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-12-14 
23:28:00 UTC ---
I think this should be:
        *(((volatile void **)__builtin_frame_address(0))+1) = exc;

GCC thinks it does not alias thing which is why it is removing it.