http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50243



--- Comment #4 from Jason Merrill <jason at gcc dot gnu.org> 2013-04-02 
21:19:18 UTC ---

Created attachment 29782

  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29782

possible patch



The patches we checked in today for 34949 almost fix this bug as well, but not

quite; the vtable pointer assignment remains in the exception handler, because

optimize_clobbers in tree-eh.c is removing the clobber before it can be used to

optimize away the assignment.



This patch fixes that by skipping MEM_REF clobbers, but I suspect this isn't

really the right way to fix the issue.  Jakub?

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