https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103474
kargl at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P3 |P4 Status|UNCONFIRMED |NEW Ever confirmed|0 |1 Last reconfirmed| |2021-11-29 CC| |kargl at gcc dot gnu.org --- Comment #1 from kargl at gcc dot gnu.org --- An gcc_unreachable() conditional can obviously be reached with invalid code. Return NULL instead of an ICE. diff --git a/gcc/fortran/simplify.c b/gcc/fortran/simplify.c index c9e13b59da9..2c4240c8f0d 100644 --- a/gcc/fortran/simplify.c +++ b/gcc/fortran/simplify.c @@ -4411,12 +4411,9 @@ simplify_cobound (gfc_expr *array, gfc_expr *dim, gfc_expr *kind, int upper) } } - if (!as) - gcc_unreachable (); - done: - if (as->cotype == AS_DEFERRED || as->cotype == AS_ASSUMED_SHAPE) + if (!as || as->cotype == AS_DEFERRED || as->cotype == AS_ASSUMED_SHAPE) return NULL; if (dim == NULL)