===================================================================
@@ -1262,8 +1262,13 @@ generic_correspondence (gfc_formal_arglist *f1, gfc_fo
static int
symbol_rank (gfc_symbol *sym)
{
- gfc_array_spec *as;
- as = (sym->ts.type == BT_CLASS) ? CLASS_DATA (sym)->as : sym->as;
+ gfc_array_spec *as = NULL;
+
+ if (sym->ts.type == BT_CLASS && CLASS_DATA (sym) && CLASS_DATA (sym)->as)
+ as = CLASS_DATA (sym)->as;
+ else
+ as = sym->as;
+
return as ? as->rank : 0;
}
===================================================================
@@ -0,0 +1,8 @@
+! { dg-do compile }
+! PR fortran/78814
+! Code contributed by Gerhard Steinmetz
+program p
+ class(*) :: x ! { dg-error " must be dummy, allocatable or pointer" }
+ print *, f(x)
+end
+