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From: "anlauf at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/95880] [9/10/11 Regression] ICE in gfc_add_type, at
 fortran/symbol.c:2030 since r11-524-geb069ae8819c3a84
Date: Sat, 27 Jun 2020 21:12:49 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95880

anlauf at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |anlauf at gcc dot gnu.org

--- Comment #4 from anlauf at gcc dot gnu.org ---
(In reply to Martin Li=C5=A1ka from comment #3)
> Started with r11-524-geb069ae8819c3a84.

Good catch.

Fix:

diff --git a/gcc/fortran/symbol.c b/gcc/fortran/symbol.c
index ba388ff598d..bfec57ccd9e 100644
--- a/gcc/fortran/symbol.c
+++ b/gcc/fortran/symbol.c
@@ -2027,7 +2027,12 @@ gfc_add_type (gfc_symbol *sym, gfc_typespec *ts, loc=
us
*where)
       || (flavor =3D=3D FL_PROCEDURE && sym->attr.subroutine)
       || flavor =3D=3D FL_DERIVED || flavor =3D=3D FL_NAMELIST)
     {
-      gfc_error ("Symbol %qs at %L cannot have a type",
sym->ns->proc_name->name, where);
+      if (sym->ns->proc_name)
+       gfc_error ("Symbol %qs at %L cannot have a type",
+                  sym->ns->proc_name->name, where);
+      else
+       gfc_error ("Symbol %qs at %L cannot have a type",
+                  sym->name, where);
       return false;
     }

Regtesting.=