http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56742
--- Comment #9 from Richard Henderson <rth at gcc dot gnu.org> --- Created attachment 30168 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30168&action=edit proposed patch Kudos to Kai for finally figuring out what was going wrong inside the system unwinder, and why. I believe this patch will fix the problem -- at least it does for this test case. A full test cycle is just commencing...