https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110755
--- Comment #2 from Aurelien Jarno <aurelien at aurel32 dot net> --- (In reply to Andrew Pinski from comment #1) > Hmm, this might be the case where you need -frounding-math since we don't > expectly implement the pragma. Indeed the original glibc code is compiled with -frounding-math. However adding it or not doesn't change the resulting code.