https://gcc.gnu.org/bugzilla/show_bug.cgi?id=73350
--- Comment #1 from Wenzel Jakob <wen...@mitsuba-renderer.org> --- Sorry, there was a stupid typo in my message below. The middle part should have read At optimization level, -O1, this currently stops working (tested with GCC trunk): $ g++ test.c -o test -mavx512f -O1 -fomit-frame-pointer -fomit-frame-pointer && ./test 0.00000