https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86771
--- Comment #17 from Segher Boessenkool <segher at gcc dot gnu.org> --- Please do the combine dumps with details enabled; these are pretty useless. (-fdump-rtl-combine-all) A C testcase would be very helpful, too (or some magic configure command to run on some cfarm machine).
