https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67739
Markus Trippelsdorf <trippels at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |trippels at gcc dot gnu.org --- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> --- Well just don't name the array sincosf. Or use -fno-builtin-sin. I can only reproduce the issue with 4.9.3 and -Ofast.