https://gcc.gnu.org/bugzilla/show_bug.cgi?id=39838
--- Comment #24 from amker at gcc dot gnu.org --- (In reply to amker from comment #23) > I can also confirm Os is fixed on trunk @244877 using reported command line, > while O2 goes up to 76 now. on arm (with -march=armv5te -mthumb -mthumb-interwork -fpic -Os).