https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67573
--- Comment #4 from Oleg Endo <olegendo at gcc dot gnu.org> --- Maybe FPSCR_STAT_REG should be in the clobber list, too? Otherwise stores of FP exception bits etc (get_fpscr builtin) could be wrongly CSE'd across function calls... However, I don't know if this is a problem at the moment.
