https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94187
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Actually, I'll take the testcase out, since gcc/testsuite/gcc.dg/pr68785.c is identical except for -O3 instead of -O2, but the bug reproduces also at -O3.