https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100783
--- Comment #6 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-11 branch has been updated by Martin Sebor <mse...@gcc.gnu.org>: https://gcc.gnu.org/g:3863203bf306a730482861e974ff779e0d1db02f commit r11-8605-g3863203bf306a730482861e974ff779e0d1db02f Author: Martin Sebor <mse...@redhat.com> Date: Thu Jun 17 12:17:02 2021 -0600 PR c/100783 - ICE on -Wnonnull and erroneous type gcc/c-family/ChangeLog: PR c/100783 * c-attribs.c (positional_argument): Bail on erroneous types. gcc/c/ChangeLog: PR c/100783 * c-objc-common.c (print_type): Handle erroneous types. gcc/testsuite/ChangeLog: PR c/100783 * gcc.dg/nonnull-6.c: New test.