https://gcc.gnu.org/bugzilla/show_bug.cgi?id=31485
--- Comment #24 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Bugzilla is not the right place to educate users. Of course the C FE_* exceptions map to real hardware exceptions, on x86 read e.g. about MXCSR register and in the description of each instruction on which Exceptions it can raise.
