https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101469
--- Comment #3 from Rin Okuyama <rin at NetBSD dot org> --- Thank you very much for your analysis! If that peephole is removed, GCC 10.3 generates working codes. NetBSD/shle built by this compiler works fine as far as I can see. I'm carrying out full regression tests of NetBSD on this system. (It takes about a day to finish.) Is there a better fix than mechanically removing that peephole? Thanks, rin