http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48459
--- Comment #11 from Jason Merrill <jason at gcc dot gnu.org> 2011-06-10 16:24:12 UTC --- (In reply to comment #10) > I don't think initial_return_save() is called now. It passes the compilation > there but gets struck in other places. I think it is because > INCOMING_RETURN_ADDR_RTX is now seen as defined and hence CFI info is emitted. > But this runs into trouble because the above hook is gcc_unreachable(). It's only defined in dwarf2out.c, and there it's only used in the call to initial_return_save.
