re PR fortran/58436 ([OOP] ICE (segfault) in generate_finalization_wrapper for CLASS(*))

2013-09-25  Tobias Burnus  <burnus@net-b.de>

        PR fortran/58436
        * class.c (generate_finalization_wrapper): Handle CLASS(*).

2013-09-25  Tobias Burnus  <burnus@net-b.de>

        PR fortran/58436
        * gfortran.dg/finalize_21.f90: New.

From-SVN: r202923

gcc/fortran/ChangeLog

 2013-09-25  Tobias Burnus  <burnus@net-b.de>
 
+	PR fortran/58436
+	* class.c (generate_finalization_wrapper): Handle CLASS(*).
+
+2013-09-25  Tobias Burnus  <burnus@net-b.de>
+
 	PR fortran/57697
 	PR fortran/58469
 	* resolve.c (generate_component_assignments): Avoid double free

gcc/fortran/class.c

@@ -1427,6 +1427,12 @@ generate_finalization_wrapper (gfc_symbol *derived, gfc_namespace *ns,
   gfc_expr *ancestor_wrapper = NULL, *rank;
   gfc_iterator *iter;
 
+  if (derived->attr.unlimited_polymorphic)
+    {
+      vtab_final->initializer = gfc_get_null_expr (NULL);
+      return;
+    }
+
   /* Search for the ancestor's finalizers. */
   if (derived->attr.extension && derived->components
       && (!derived->components->ts.u.derived->attr.abstract

gcc/testsuite/ChangeLog

 2013-09-25  Tobias Burnus  <burnus@net-b.de>
 
+	PR fortran/58436
+	* gfortran.dg/finalize_21.f90: New.
+
+2013-09-25  Tobias Burnus  <burnus@net-b.de>
+
 	PR fortran/57697
 	PR fortran/58469
 	* gfortran.dg/defined_assignment_8.f90: New.

gcc/testsuite/gfortran.dg/finalize_21.f90

+! { dg-do compile }
+! { dg-options "-fdump-tree-original" }
+!
+! PR fortran/58436
+!
+! The following was ICEing and lacking _final=0
+!
+class(*), allocatable :: var
+end
+
+! { dg-final { scan-tree-dump "static struct __vtype__STAR __vtab__STAR = {._hash=0, ._size=., ._extends=0B, ._def_init=0B, ._copy=0B, ._final=0B};" "original" } }
+! { dg-final { cleanup-tree-dump "original" } }