https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70509
--- Comment #5 from Zdenek Sojka <zsojka at seznam dot cz> --- (In reply to Zdenek Sojka from comment #4) > x86_64 bootstrap finished (the code is likely not triggered), regtest > running. It also fixes several wrong-code testcases that I failed to reduce to a reasonable size, thus were unreported. During testcase reduction, there started to be out-of-bounds vector indexes, that I fail to detect (with -fsanitize=undefined).