https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87220
--- Comment #9 from Rich Felker <bugdal at aerifal dot cx> --- FWIW, glibc supports building with -fstack-check and seems to be attempting to use it for this purpose too. See for example https://sourceware.org/bugzilla/show_bug.cgi?id=21253
