re PR fortran/79311 ([OOP] ICE in generate_finalization_wrapper, at fortran/class.c:1992)

2017-05-09  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/79311
	* resolve.c (gfc_resolve_finalizers): Ensure that derived-type
	components have a their finalizers resolved, also if the superordinate
	type itself has a finalizer.

2017-05-09  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/79311
	* gfortran.dg/finalize_32.f90: New test.

From-SVN: r247818

gcc/fortran/ChangeLog

+2017-05-09  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/79311
+	* resolve.c (gfc_resolve_finalizers): Ensure that derived-type
+	components have a their finalizers resolved, also if the superordinate
+	type itself has a finalizer.
+
 2017-05-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
 
 	PR fortran/79930

gcc/fortran/resolve.c

@@ -12385,26 +12385,23 @@ gfc_resolve_finalizers (gfc_symbol* derived, bool *finalizable)
   if (parent)
     gfc_resolve_finalizers (parent, finalizable);
 
-  /* Return early when not finalizable. Additionally, ensure that derived-type
-     components have a their finalizables resolved.  */
-  if (!derived->f2k_derived || !derived->f2k_derived->finalizers)
-    {
-      bool has_final = false;
-      for (c = derived->components; c; c = c->next)
-	if (c->ts.type == BT_DERIVED
-	    && !c->attr.pointer && !c->attr.proc_pointer && !c->attr.allocatable)
-	  {
-	    bool has_final2 = false;
-	    if (!gfc_resolve_finalizers (c->ts.u.derived, &has_final))
-	      return false;  /* Error.  */
-	    has_final = has_final || has_final2;
-	  }
-      if (!has_final)
-	{
-	  if (finalizable)
-	    *finalizable = false;
-	  return true;
-	}
+  /* Ensure that derived-type components have a their finalizers resolved.  */
+  bool has_final = derived->f2k_derived && derived->f2k_derived->finalizers;
+  for (c = derived->components; c; c = c->next)
+    if (c->ts.type == BT_DERIVED
+	&& !c->attr.pointer && !c->attr.proc_pointer && !c->attr.allocatable)
+      {
+	bool has_final2 = false;
+	if (!gfc_resolve_finalizers (c->ts.u.derived, &has_final2))
+	  return false;  /* Error.  */
+	has_final = has_final || has_final2;
+      }
+  /* Return early if not finalizable.  */
+  if (!has_final)
+    {
+      if (finalizable)
+	*finalizable = false;
+      return true;
     }
 
   /* Walk over the list of finalizer-procedures, check them, and if any one

gcc/testsuite/ChangeLog

+2017-05-09  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/79311
+	* gfortran.dg/finalize_32.f90: New test.
+
 2017-05-09  Volker Reichelt  <v.reichelt@netcologne.de>
 
 	PR c/35441

gcc/testsuite/gfortran.dg/finalize_32.f90

+! { dg-do compile }
+!
+! PR 79311: [OOP] ICE in generate_finalization_wrapper, at fortran/class.c:1992
+!
+! Contributed by DIL <liakhdi@ornl.gov>
+
+module tensor_recursive
+  implicit none
+
+  type :: tens_signature_t
+  contains
+    final :: tens_signature_dtor
+  end type
+
+  type :: tens_header_t
+    type(tens_signature_t) :: signature
+  contains
+    final :: tens_header_dtor
+  end type
+
+contains
+
+  subroutine tens_signature_dtor(this)
+    type(tens_signature_t) :: this
+  end subroutine
+
+  subroutine tens_header_dtor(this)
+    type(tens_header_t) :: this
+  end subroutine
+
+end