https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91543
--- Comment #2 from Thomas Koenig <tkoenig at gcc dot gnu.org> --- (In reply to Richard Biener from comment #1) > Did you try if -fstack-clash-protection provides a better failure mode? It > might be required to reliably detect that "end of the stack" case. No, just a SIGSEGV.