https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104307
--- Comment #1 from Arseny Solokha <asolokha at gmx dot com> --- (In reply to Arseny Solokha from comment #0) > w/ -Os -funroll-loops: It's an obvious copy-paste error, of course. It fails the check w/ -mavx512f -O2.