re PR fortran/37336 ([F03] Finish derived-type finalization)

2013-06-03  Tobias Burnus  <burnus@net-b.de>

        PR fortran/37336
        * trans.h (gfc_build_final_call): Remove prototype.
        (gfc_add_finalizer_call): Add prototype.
        * trans-array.c (gfc_trans_dealloc_allocated): Support
        * finalization.
        (structure_alloc_comps): Update caller.
        (gfc_trans_deferred_array): Call finalizer.
        * trans-array.h (gfc_trans_dealloc_allocated): Update prototype.
        * trans-decl.c (gfc_trans_deferred_vars): Don't
        * deallocate/finalize
        variables of the main program.
        * trans-expr.c (gfc_conv_procedure_call): Support finalization.
        * trans-openmp.c (gfc_omp_clause_dtor,
        gfc_trans_omp_array_reduction): Update calls.
        * trans-stmt.c (gfc_trans_deallocate): Avoid double deallocation
        of alloc components.
        * trans.c (gfc_add_finalizer_call): New function.
        (gfc_deallocate_with_status,
        gfc_deallocate_scalar_with_status): Call it
        (gfc_build_final_call): Fix handling of scalar coarrays,
        move up in the file and make static.

2013-06-03  Tobias Burnus  <burnus@net-b.de>

        PR fortran/37336
        * gfortran.dg/finalize_12.f90: New.
        * gfortran.dg/alloc_comp_basics_1.f90: Add BLOCK for
        end of scope finalization.
        * gfortran.dg/alloc_comp_constructor_1.f90: Ditto.
        * gfortran.dg/allocatable_scalar_9.f90: Ditto.
        * gfortran.dg/auto_dealloc_2.f90: Ditto.
        * gfortran.dg/class_19.f03: Ditto.
        * gfortran.dg/coarray_lib_alloc_1.f90: Ditto.
        * gfortran.dg/coarray_lib_alloc_2.f90: Ditto.
        * gfortran.dg/extends_14.f03: Ditto.
        * gfortran.dg/move_alloc_4.f90: Ditto.
        * gfortran.dg/typebound_proc_27.f03: Ditto.

From-SVN: r199643

gcc/fortran/ChangeLog

+2013-06-04  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/37336
+	* trans.h (gfc_build_final_call): Remove prototype.
+	(gfc_add_finalizer_call): Add prototype.
+	* trans-array.c (gfc_trans_dealloc_allocated): Support finalization.
+	(structure_alloc_comps): Update caller.
+	(gfc_trans_deferred_array): Call finalizer.
+	* trans-array.h (gfc_trans_dealloc_allocated): Update prototype.
+	* trans-decl.c (gfc_trans_deferred_vars): Don't deallocate/finalize
+	variables of the main program.
+	* trans-expr.c (gfc_conv_procedure_call): Support finalization.
+	* trans-openmp.c (gfc_omp_clause_dtor,
+	gfc_trans_omp_array_reduction): Update calls.
+	* trans-stmt.c (gfc_trans_deallocate): Avoid double deallocation
+	of alloc components.
+	* trans.c (gfc_add_finalizer_call): New function.
+	(gfc_deallocate_with_status,
+	gfc_deallocate_scalar_with_status): Call it
+	(gfc_build_final_call): Fix handling of scalar coarrays,
+	move up in the file and make static.
+
 2013-06-01  Janus Weil  <janus@gcc.gnu.org>
 	    Mikael Morin  <mikael@gcc.gnu.org>
 

gcc/fortran/trans-array.c

@@ -7247,7 +7247,7 @@ gfc_conv_array_parameter (gfc_se * se, gfc_expr * expr, bool g77,
 /* Generate code to deallocate an array, if it is allocated.  */
 
 tree
-gfc_trans_dealloc_allocated (tree descriptor, bool coarray)
+gfc_trans_dealloc_allocated (tree descriptor, bool coarray, gfc_expr *expr)
 {
   tree tmp;
   tree var;
@@ -7263,7 +7263,7 @@ gfc_trans_dealloc_allocated (tree descriptor, bool coarray)
      are already deallocated are ignored.  */
   tmp = gfc_deallocate_with_status (coarray ? descriptor : var, NULL_TREE,
 				    NULL_TREE, NULL_TREE, NULL_TREE, true,
-				    NULL, coarray);
+				    expr, coarray);
   gfc_add_expr_to_block (&block, tmp);
 
   /* Zero the data pointer.  */
@@ -7552,7 +7552,7 @@ structure_alloc_comps (gfc_symbol * der_type, tree decl,
 	    {
 	      comp = fold_build3_loc (input_location, COMPONENT_REF, ctype,
 				      decl, cdecl, NULL_TREE);
-	      tmp = gfc_trans_dealloc_allocated (comp, c->attr.codimension);
+	      tmp = gfc_trans_dealloc_allocated (comp, c->attr.codimension, NULL);
 	      gfc_add_expr_to_block (&tmpblock, tmp);
 	    }
 	  else if (c->attr.allocatable)
@@ -7584,7 +7584,7 @@ structure_alloc_comps (gfc_symbol * der_type, tree decl,
 
 	      if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (comp)))
 	        tmp = gfc_trans_dealloc_allocated (comp,
-					CLASS_DATA (c)->attr.codimension);
+					CLASS_DATA (c)->attr.codimension, NULL);
 	      else
 		{
 		  tmp = gfc_deallocate_scalar_with_status (comp, NULL_TREE, true, NULL,
@@ -8296,7 +8296,7 @@ gfc_trans_deferred_array (gfc_symbol * sym, gfc_wrapped_block * block)
   stmtblock_t cleanup;
   locus loc;
   int rank;
-  bool sym_has_alloc_comp;
+  bool sym_has_alloc_comp, has_finalizer;
 
   sym_has_alloc_comp = (sym->ts.type == BT_DERIVED
 			|| sym->ts.type == BT_CLASS)
@@ -8383,8 +8383,12 @@ gfc_trans_deferred_array (gfc_symbol * sym, gfc_wrapped_block * block)
 
   /* Allocatable arrays need to be freed when they go out of scope.
      The allocatable components of pointers must not be touched.  */
-  if (sym_has_alloc_comp && !(sym->attr.function || sym->attr.result)
-      && !sym->attr.pointer && !sym->attr.save)
+  has_finalizer = sym->ts.type == BT_CLASS || sym->ts.type == BT_DERIVED
+		   ? gfc_is_finalizable (sym->ts.u.derived, NULL) : false;
+  if ((!sym->attr.allocatable || !has_finalizer)
+      && sym_has_alloc_comp && !(sym->attr.function || sym->attr.result)
+      && !sym->attr.pointer && !sym->attr.save
+      && !sym->ns->proc_name->attr.is_main_program)
     {
       int rank;
       rank = sym->as ? sym->as->rank : 0;
@@ -8393,10 +8397,13 @@ gfc_trans_deferred_array (gfc_symbol * sym, gfc_wrapped_block * block)
     }
 
   if (sym->attr.allocatable && (sym->attr.dimension || sym->attr.codimension)
-      && !sym->attr.save && !sym->attr.result)
+      && !sym->attr.save && !sym->attr.result
+      && !sym->ns->proc_name->attr.is_main_program)
     {
       tmp = gfc_trans_dealloc_allocated (sym->backend_decl,
-					 sym->attr.codimension);
+					 sym->attr.codimension,
+					 has_finalizer
+					 ? gfc_lval_expr_from_sym (sym) : NULL);
       gfc_add_expr_to_block (&cleanup, tmp);
     }
 

gcc/fortran/trans-array.h

@@ -42,7 +42,7 @@ void gfc_trans_dummy_array_bias (gfc_symbol *, tree, gfc_wrapped_block *);
 /* Generate entry and exit code for g77 calling convention arrays.  */
 void gfc_trans_g77_array (gfc_symbol *, gfc_wrapped_block *);
 /* Generate code to deallocate an array, if it is allocated.  */
-tree gfc_trans_dealloc_allocated (tree, bool);
+tree gfc_trans_dealloc_allocated (tree, bool, gfc_expr *);
 
 tree gfc_duplicate_allocatable (tree dest, tree src, tree type, int rank);
 

gcc/fortran/trans-decl.c

@@ -3872,7 +3872,8 @@ gfc_trans_deferred_vars (gfc_symbol * proc_sym, gfc_wrapped_block * block)
 
 	      /* Deallocate when leaving the scope. Nullifying is not
 		 needed.  */
-	      if (!sym->attr.result && !sym->attr.dummy)
+	      if (!sym->attr.result && !sym->attr.dummy
+		  && !sym->ns->proc_name->attr.is_main_program)
 		{
 		  if (sym->ts.type == BT_CLASS
 		      && CLASS_DATA (sym)->attr.codimension)

gcc/fortran/trans-expr.c

@@ -4274,10 +4274,8 @@ gfc_conv_procedure_call (gfc_se * se, gfc_symbol * sym,
 		      if (e->ts.type == BT_CLASS)
 			ptr = gfc_class_data_get (ptr);
 
-		      tmp = gfc_deallocate_with_status (ptr, NULL_TREE,
-							NULL_TREE, NULL_TREE,
-							NULL_TREE, true, NULL,
-							false);
+		      tmp = gfc_deallocate_scalar_with_status (ptr, NULL_TREE,
+							       true, e, e->ts);
 		      gfc_add_expr_to_block (&block, tmp);
 		      tmp = fold_build2_loc (input_location, MODIFY_EXPR,
 					     void_type_node, ptr,
@@ -4409,8 +4407,8 @@ gfc_conv_procedure_call (gfc_se * se, gfc_symbol * sym,
 		  else
 		    tmp = gfc_finish_block (&block);
 
-		      gfc_add_expr_to_block (&se->pre, tmp);
-}
+		  gfc_add_expr_to_block (&se->pre, tmp);
+		}
 
 	      /* The conversion does not repackage the reference to a class
 	         array - _data descriptor.  */
@@ -4511,7 +4509,7 @@ gfc_conv_procedure_call (gfc_se * se, gfc_symbol * sym,
 		{
 		  tmp = build_fold_indirect_ref_loc (input_location,
 						     parmse.expr);
-		  tmp = gfc_trans_dealloc_allocated (tmp, false);
+		  tmp = gfc_trans_dealloc_allocated (tmp, false, e);
 		  if (fsym->attr.optional
 		      && e->expr_type == EXPR_VARIABLE
 		      && e->symtree->n.sym->attr.optional)

gcc/fortran/trans-openmp.c

@@ -325,7 +325,7 @@ gfc_omp_clause_dtor (tree clause ATTRIBUTE_UNUSED, tree decl)
 
   /* Allocatable arrays in FIRSTPRIVATE/LASTPRIVATE etc. clauses need
      to be deallocated if they were allocated.  */
-  return gfc_trans_dealloc_allocated (decl, false);
+  return gfc_trans_dealloc_allocated (decl, false, NULL);
 }
 
 
@@ -707,7 +707,8 @@ gfc_trans_omp_array_reduction (tree c, gfc_symbol *sym, locus where)
       gfc_start_block (&block);
       gfc_add_expr_to_block (&block, gfc_trans_assignment (e3, e4, false,
 			     true));
-      gfc_add_expr_to_block (&block, gfc_trans_dealloc_allocated (decl, false));
+      gfc_add_expr_to_block (&block, gfc_trans_dealloc_allocated (decl, false,
+								  NULL));
       stmt = gfc_finish_block (&block);
     }
   else

gcc/fortran/trans-stmt.c

@@ -5398,7 +5398,8 @@ gfc_trans_deallocate (gfc_code *code)
 
       if (expr->rank || gfc_is_coarray (expr))
 	{
-	  if (expr->ts.type == BT_DERIVED && expr->ts.u.derived->attr.alloc_comp)
+	  if (expr->ts.type == BT_DERIVED && expr->ts.u.derived->attr.alloc_comp
+	      && !gfc_is_finalizable (expr->ts.u.derived, NULL))
 	    {
 	      gfc_ref *ref;
 	      gfc_ref *last = NULL;

gcc/fortran/trans.c

@@ -838,6 +838,223 @@ gfc_call_free (tree var)
 }
 
 
+/* Build a call to a FINAL procedure, which finalizes "var".  */
+
+static tree
+gfc_build_final_call (gfc_typespec ts, gfc_expr *final_wrapper, gfc_expr *var,
+		      bool fini_coarray, gfc_expr *class_size)
+{
+  stmtblock_t block;
+  gfc_se se;
+  tree final_fndecl, array, size, tmp;
+  symbol_attribute attr;
+
+  gcc_assert (final_wrapper->expr_type == EXPR_VARIABLE);
+  gcc_assert (var);
+
+  gfc_init_se (&se, NULL);
+  gfc_conv_expr (&se, final_wrapper);
+  final_fndecl = se.expr;
+  if (POINTER_TYPE_P (TREE_TYPE (final_fndecl)))
+    final_fndecl = build_fold_indirect_ref_loc (input_location, final_fndecl);
+
+  if (ts.type == BT_DERIVED)
+    {
+      tree elem_size;
+
+      gcc_assert (!class_size);
+      elem_size = gfc_typenode_for_spec (&ts);
+      elem_size = TYPE_SIZE_UNIT (elem_size);
+      size = fold_convert (gfc_array_index_type, elem_size);
+
+      gfc_init_se (&se, NULL);
+      se.want_pointer = 1;
+      if (var->rank)
+	{
+	  se.descriptor_only = 1;
+	  gfc_conv_expr_descriptor (&se, var);
+	  array = se.expr;
+	}
+      else
+	{
+	  gfc_conv_expr (&se, var);
+	  gcc_assert (se.pre.head == NULL_TREE && se.post.head == NULL_TREE);
+	  array = se.expr;
+
+	  /* No copy back needed, hence set attr's allocatable/pointer
+	     to zero.  */
+	  gfc_clear_attr (&attr);
+	  gfc_init_se (&se, NULL);
+	  array = gfc_conv_scalar_to_descriptor (&se, array, attr);
+	  gcc_assert (se.post.head == NULL_TREE);
+	}
+    }
+  else
+    {
+      gfc_expr *array_expr;
+      gcc_assert (class_size);
+      gfc_init_se (&se, NULL);
+      gfc_conv_expr (&se, class_size);
+      gcc_assert (se.pre.head == NULL_TREE && se.post.head == NULL_TREE);
+      size = se.expr;
+
+      array_expr = gfc_copy_expr (var);
+      gfc_init_se (&se, NULL);
+      se.want_pointer = 1;
+      if (array_expr->rank)
+	{
+	  gfc_add_class_array_ref (array_expr);
+	  se.descriptor_only = 1;
+	  gfc_conv_expr_descriptor (&se, array_expr);
+	  array = se.expr;
+	}
+      else
+	{
+	  gfc_add_data_component (array_expr);
+	  gfc_conv_expr (&se, array_expr);
+	  gcc_assert (se.pre.head == NULL_TREE && se.post.head == NULL_TREE);
+	  array = se.expr;
+	  if (TREE_CODE (array) == ADDR_EXPR
+	      && POINTER_TYPE_P (TREE_TYPE (TREE_OPERAND (array, 0))))
+	    tmp = TREE_OPERAND (array, 0);
+
+	  if (!gfc_is_coarray (array_expr))
+	    {
+	      /* No copy back needed, hence set attr's allocatable/pointer
+		 to zero.  */
+	      gfc_clear_attr (&attr);
+	      gfc_init_se (&se, NULL);
+	      array = gfc_conv_scalar_to_descriptor (&se, array, attr);
+	    }
+	  gcc_assert (se.post.head == NULL_TREE);
+	}
+      gfc_free_expr (array_expr);
+    }
+
+  if (!POINTER_TYPE_P (TREE_TYPE (array)))
+    array = gfc_build_addr_expr (NULL, array);
+
+  gfc_start_block (&block);
+  gfc_add_block_to_block (&block, &se.pre);
+  tmp = build_call_expr_loc (input_location,
+			     final_fndecl, 3, array,
+			     size, fini_coarray ? boolean_true_node
+						: boolean_false_node);
+  gfc_add_block_to_block (&block, &se.post);
+  gfc_add_expr_to_block (&block, tmp);
+  return gfc_finish_block (&block);
+}
+
+
+/* Add a call to the finalizer, using the passed *expr. Returns
+   true when a finalizer call has been inserted.  */
+
+bool
+gfc_add_finalizer_call (stmtblock_t *block, gfc_expr *expr2)
+{
+  tree tmp;
+  gfc_ref *ref;
+  gfc_expr *expr;
+  gfc_expr *final_expr = NULL;
+  gfc_expr *elem_size = NULL;
+  bool has_finalizer = false;
+
+  if (!expr2 || (expr2->ts.type != BT_DERIVED && expr2->ts.type != BT_CLASS))
+    return false;
+
+  if (expr2->ts.type == BT_DERIVED)
+    {
+      gfc_is_finalizable (expr2->ts.u.derived, &final_expr);
+      if (!final_expr)
+        return false;
+    }
+
+  /* If we have a class array, we need go back to the class
+     container. */
+  expr = gfc_copy_expr (expr2);
+
+  if (expr->ref && expr->ref->next && !expr->ref->next->next
+      && expr->ref->next->type == REF_ARRAY
+      && expr->ref->type == REF_COMPONENT
+      && strcmp (expr->ref->u.c.component->name, "_data") == 0)
+    {
+      gfc_free_ref_list (expr->ref);
+      expr->ref = NULL;
+    }
+  else
+    for (ref = expr->ref; ref; ref = ref->next)
+      if (ref->next && ref->next->next && !ref->next->next->next
+         && ref->next->next->type == REF_ARRAY
+         && ref->next->type == REF_COMPONENT
+         && strcmp (ref->next->u.c.component->name, "_data") == 0)
+       {
+         gfc_free_ref_list (ref->next);
+         ref->next = NULL;
+       }
+
+  if (expr->ts.type == BT_CLASS)
+    {
+      has_finalizer = gfc_is_finalizable (expr->ts.u.derived, NULL);
+
+      if (!expr2->rank && !expr2->ref && CLASS_DATA (expr2->symtree->n.sym)->as)
+	expr->rank = CLASS_DATA (expr2->symtree->n.sym)->as->rank;
+
+      final_expr = gfc_copy_expr (expr);
+      gfc_add_vptr_component (final_expr);
+      gfc_add_component_ref (final_expr, "_final");
+
+      elem_size = gfc_copy_expr (expr);
+      gfc_add_vptr_component (elem_size);
+      gfc_add_component_ref (elem_size, "_size");
+    }
+
+  gcc_assert (final_expr->expr_type == EXPR_VARIABLE);
+
+  tmp = gfc_build_final_call (expr->ts, final_expr, expr,
+			      false, elem_size);
+
+  if (expr->ts.type == BT_CLASS && !has_finalizer)
+    {
+      tree cond;
+      gfc_se se;
+
+      gfc_init_se (&se, NULL);
+      se.want_pointer = 1;
+      gfc_conv_expr (&se, final_expr);
+      cond = fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
+			      se.expr, build_int_cst (TREE_TYPE (se.expr), 0));
+
+      /* For CLASS(*) not only sym->_vtab->_final can be NULL
+	 but already sym->_vtab itself.  */
+      if (UNLIMITED_POLY (expr))
+	{
+	  tree cond2;
+	  gfc_expr *vptr_expr;
+
+	  vptr_expr = gfc_copy_expr (expr);
+	  gfc_add_vptr_component (vptr_expr);
+
+	  gfc_init_se (&se, NULL);
+	  se.want_pointer = 1;
+	  gfc_conv_expr (&se, vptr_expr);
+	  gfc_free_expr (vptr_expr);
+
+	  cond2 = fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
+				   se.expr,
+				   build_int_cst (TREE_TYPE (se.expr), 0));
+	  cond = fold_build2_loc (input_location, TRUTH_ANDIF_EXPR,
+				  boolean_type_node, cond2, cond);
+	}
+
+      tmp = fold_build3_loc (input_location, COND_EXPR, void_type_node,
+			     cond, tmp, build_empty_stmt (input_location));
+    }
+
+  gfc_add_expr_to_block (block, tmp);
+
+  return true;
+}
+
 
 /* User-deallocate; we emit the code directly from the front-end, and the
    logic is the same as the previous library function:
@@ -930,6 +1147,7 @@ gfc_deallocate_with_status (tree pointer, tree status, tree errmsg,
 
   /* When POINTER is not NULL, we free it.  */
   gfc_start_block (&non_null);
+  gfc_add_finalizer_call (&non_null, expr);
   if (!coarray || gfc_option.coarray != GFC_FCOARRAY_LIB)
     {
       tmp = build_call_expr_loc (input_location,
@@ -1022,125 +1240,6 @@ gfc_deallocate_with_status (tree pointer, tree status, tree errmsg,
 }
 
 
-/* Build a call to a FINAL procedure, which finalizes "var".  */
-
-tree
-gfc_build_final_call (gfc_typespec ts, gfc_expr *final_wrapper, gfc_expr *var,
-		      bool fini_coarray, gfc_expr *class_size)
-{
-  stmtblock_t block;
-  gfc_se se;
-  tree final_fndecl, array, size, tmp;
-  symbol_attribute attr;
-
-  gcc_assert (final_wrapper->expr_type == EXPR_VARIABLE);
-  gcc_assert (var);
-
-  gfc_init_se (&se, NULL);
-  gfc_conv_expr (&se, final_wrapper);
-  final_fndecl = se.expr;
-  if (POINTER_TYPE_P (TREE_TYPE (final_fndecl)))
-    final_fndecl = build_fold_indirect_ref_loc (input_location, final_fndecl);
-
-  attr = gfc_expr_attr (var);
-
-  if (ts.type == BT_DERIVED)
-    {
-      tree elem_size;
-
-      gcc_assert (!class_size);
-      elem_size = gfc_typenode_for_spec (&ts);
-      elem_size = TYPE_SIZE_UNIT (elem_size);
-      size = fold_convert (gfc_array_index_type, elem_size);
-
-      gfc_init_se (&se, NULL);
-      se.want_pointer = 1;
-      if (var->rank || attr.dimension
-	  || (attr.codimension && attr.allocatable
-	      && gfc_option.coarray == GFC_FCOARRAY_LIB))
-	{
-	  if (var->rank == 0)
-	    se.want_coarray = 1;
-	  se.descriptor_only = 1;
-	  gfc_conv_expr_descriptor (&se, var);
-	  array = se.expr;
-	  if (!POINTER_TYPE_P (TREE_TYPE (array)))
-	    array = gfc_build_addr_expr (NULL, array);
-	}
-      else
-	{
-	  gfc_clear_attr (&attr);
-	  gfc_conv_expr (&se, var);
-	  gcc_assert (se.pre.head == NULL_TREE && se.post.head == NULL_TREE);
-	  array = se.expr;
-	  if (TREE_CODE (array) == ADDR_EXPR
-	      && POINTER_TYPE_P (TREE_TYPE (TREE_OPERAND (array, 0))))
-	    tmp = TREE_OPERAND (array, 0);
-
-	  gfc_init_se (&se, NULL);
-	  array = gfc_conv_scalar_to_descriptor (&se, array, attr);
-	  array = gfc_build_addr_expr (NULL, array);
-	  gcc_assert (se.post.head == NULL_TREE);
-	}
-    }
-  else
-    {
-      gfc_expr *array_expr;
-      gcc_assert (class_size);
-      gfc_init_se (&se, NULL);
-      gfc_conv_expr (&se, class_size);
-      gcc_assert (se.pre.head == NULL_TREE && se.post.head == NULL_TREE);
-      size = se.expr;
-
-      array_expr = gfc_copy_expr (var);
-      gfc_init_se (&se, NULL);
-      se.want_pointer = 1;
-      if (array_expr->rank || attr.dimension
-	  || (attr.codimension && attr.allocatable
-	      && gfc_option.coarray == GFC_FCOARRAY_LIB))
-	{
-	  gfc_add_class_array_ref (array_expr);
-	  if (array_expr->rank == 0)
-	    se.want_coarray = 1;
-	  se.descriptor_only = 1;
-	  gfc_conv_expr_descriptor (&se, array_expr);
-	  array = se.expr;
-	  if (! POINTER_TYPE_P (TREE_TYPE (array)))
-	    array = gfc_build_addr_expr (NULL, array);
-	}
-      else
-	{
-	  gfc_clear_attr (&attr);
-	  gfc_add_data_component (array_expr);
-	  gfc_conv_expr (&se, array_expr);
-	  gcc_assert (se.pre.head == NULL_TREE && se.post.head == NULL_TREE);
-	  array = se.expr;
-	  if (TREE_CODE (array) == ADDR_EXPR
-	      && POINTER_TYPE_P (TREE_TYPE (TREE_OPERAND (array, 0))))
-	    tmp = TREE_OPERAND (array, 0);
-
-	  /* attr: Argument is neither a pointer/allocatable,
-	     i.e. no copy back needed */
-	  gfc_init_se (&se, NULL);
-	  array = gfc_conv_scalar_to_descriptor (&se, array, attr);
-	  array = gfc_build_addr_expr (NULL, array);
-	  gcc_assert (se.post.head == NULL_TREE);
-	}
-      gfc_free_expr (array_expr);
-    }
-
-  gfc_start_block (&block);
-  gfc_add_block_to_block (&block, &se.pre);
-  tmp = build_call_expr_loc (input_location,
-			     final_fndecl, 3, array,
-			     size, fini_coarray ? boolean_true_node
-						: boolean_false_node);
-  gfc_add_block_to_block (&block, &se.post);
-  gfc_add_expr_to_block (&block, tmp);
-  return gfc_finish_block (&block);
-}
-
-
 /* Generate code for deallocation of allocatable scalars (variables or
    components). Before the object itself is freed, any allocatable
    subcomponents are being deallocated.  */
@@ -1151,6 +1250,7 @@ gfc_deallocate_scalar_with_status (tree pointer, tree status, bool can_fail,
 {
   stmtblock_t null, non_null;
   tree cond, tmp, error;
+  bool finalizable;
 
   cond = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node, pointer,
 			  build_int_cst (TREE_TYPE (pointer), 0));
@@ -1195,20 +1295,13 @@ gfc_deallocate_scalar_with_status (tree pointer, tree status, bool can_fail,
   gfc_start_block (&non_null);
 
   /* Free allocatable components.  */
-  if (ts.type == BT_DERIVED && ts.u.derived->attr.alloc_comp)
+  finalizable = gfc_add_finalizer_call (&non_null, expr);
+  if (!finalizable && ts.type == BT_DERIVED && ts.u.derived->attr.alloc_comp)
     {
       tmp = build_fold_indirect_ref_loc (input_location, pointer);
       tmp = gfc_deallocate_alloc_comp (ts.u.derived, tmp, 0);
       gfc_add_expr_to_block (&non_null, tmp);
     }
-  else if (ts.type == BT_CLASS
-	   && ts.u.derived->components->ts.u.derived->attr.alloc_comp)
-    {
-      tmp = build_fold_indirect_ref_loc (input_location, pointer);
-      tmp = gfc_deallocate_alloc_comp (ts.u.derived->components->ts.u.derived,
-				       tmp, 0);
-      gfc_add_expr_to_block (&non_null, tmp);
-    }
 
   tmp = build_call_expr_loc (input_location,
 			     builtin_decl_explicit (BUILT_IN_FREE), 1,

gcc/fortran/trans.h

@@ -352,8 +352,7 @@ tree gfc_vtable_final_get (tree);
 tree gfc_get_vptr_from_expr (tree);
 tree gfc_get_class_array_ref (tree, tree);
 tree gfc_copy_class_to_class (tree, tree, tree);
-tree gfc_build_final_call (gfc_typespec, gfc_expr *, gfc_expr *, bool,
-			   gfc_expr *);
+bool gfc_add_finalizer_call (stmtblock_t *, gfc_expr *);
 void gfc_conv_derived_to_class (gfc_se *, gfc_expr *, gfc_typespec, tree, bool,
 				bool);
 void gfc_conv_class_to_class (gfc_se *, gfc_expr *, gfc_typespec, bool, bool,

gcc/testsuite/ChangeLog

-2013-06-03  Manfred Schwarb  <manfred99@gmx.ch>
+2013-06-04  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/37336
+	* gfortran.dg/finalize_12.f90: New.
+	* gfortran.dg/alloc_comp_basics_1.f90: Add BLOCK for
+	end of scope finalization.
+	* gfortran.dg/alloc_comp_constructor_1.f90: Ditto.
+	* gfortran.dg/allocatable_scalar_9.f90: Ditto.
+	* gfortran.dg/auto_dealloc_2.f90: Ditto.
+	* gfortran.dg/class_19.f03: Ditto.
+	* gfortran.dg/coarray_lib_alloc_1.f90: Ditto.
+	* gfortran.dg/coarray_lib_alloc_2.f90: Ditto.
+	* gfortran.dg/extends_14.f03: Ditto.
+	* gfortran.dg/move_alloc_4.f90: Ditto.
+	* gfortran.dg/typebound_proc_27.f03: Ditto.
+
+2013-06-04  Manfred Schwarb  <manfred99@gmx.ch>
 
 	* gfortran.dg/bounds_check_7.f90: Remove "! {".
 	* gfortran.dg/coarray_poly_3.f90: Remove inactive, broken dg-*.

gcc/testsuite/gfortran.dg/alloc_comp_basics_1.f90

@@ -33,8 +33,10 @@ program alloc
         integer, allocatable :: a2(:)
     end type alloc2
 
-    type(alloc2) :: b
     integer :: i
+
+  BLOCK  ! To ensure that the allocatables are freed at the end of the scope
+    type(alloc2) :: b
     type(alloc2), allocatable :: c(:)
 
     if (allocated(b%a2) .OR. allocated(b%a1)) then
@@ -64,7 +66,7 @@ program alloc
     deallocate(c)
 
     ! 7 calls to _gfortran_deallocate (b (3) and c(4) goes aout of scope)
-
+  END BLOCK
 contains
 
     subroutine allocate_alloc2(b)

gcc/testsuite/gfortran.dg/alloc_comp_constructor_1.f90

@@ -19,9 +19,12 @@ Program test_constructor
         type(thytype), allocatable :: q(:)
     end type mytype
 
-    type (mytype) :: x
     type (thytype) :: foo = thytype(reshape ([43, 100, 54, 76], [2,2]))
     integer :: y(0:1, -1:0) = reshape ([42, 99, 55, 77], [2,2])
+
+  BLOCK ! Add scoping unit as the vars are otherwise implicitly SAVEd
+
+    type (mytype) :: x
     integer, allocatable :: yy(:,:)
     type (thytype), allocatable :: bar(:)
     integer :: i
@@ -70,7 +73,7 @@ Program test_constructor
 
     ! Check that passing the constructor to a procedure works
     call check_mytype (mytype(y, [foo, foo]))
-
+  END BLOCK
 contains
 
     subroutine check_mytype(x)

gcc/testsuite/gfortran.dg/allocatable_scalar_9.f90

@@ -28,10 +28,12 @@ end type t4
 end module m
 
 use m
+block ! Start new scoping unit as otherwise the vars are implicitly SAVEd
 type(t1) :: na1, a1, aa1(:)
 type(t2) :: na2, a2, aa2(:)
 type(t3) :: na3, a3, aa3(:)
 type(t4) :: na4, a4, aa4(:)
+
 allocatable :: a1, a2, a3, a4, aa1, aa2, aa3,aa4
 
 if(allocated(a1)) call abort()
@@ -47,6 +49,7 @@ if(allocated(na1%b1)) call abort()
 if(allocated(na2%b2)) call abort()
 if(allocated(na3%b3)) call abort()
 if(allocated(na4%b4)) call abort()
+end block
 end
 
 ! { dg-final { scan-tree-dump-times "__builtin_free" 32 "original" } }

gcc/testsuite/gfortran.dg/auto_dealloc_2.f90

@@ -11,11 +11,12 @@ type :: t
   integer, allocatable :: i(:)
 end type
 
+block ! New block as the main program implies SAVE
 type(t) :: a
 
 call init(a)
 call init(a)
-
+end block
 contains
 
   subroutine init(x)

gcc/testsuite/gfortran.dg/class_19.f03

@@ -39,5 +39,5 @@ program main
 
 end program main
 
-! { dg-final { scan-tree-dump-times "__builtin_free" 15 "original" } }
+! { dg-final { scan-tree-dump-times "__builtin_free" 12 "original" } }
 ! { dg-final { cleanup-tree-dump "original" } }

gcc/testsuite/gfortran.dg/coarray_lib_alloc_1.f90

@@ -4,6 +4,7 @@
 ! Allocate/deallocate with libcaf.
 !
 
+ subroutine test()
  integer(4), allocatable :: xx[:], yy(:)[:]
  integer :: stat
  character(len=200) :: errmsg

gcc/testsuite/gfortran.dg/coarray_lib_alloc_2.f90

@@ -4,6 +4,7 @@
 ! Allocate/deallocate with libcaf.
 !
 
+ subroutine test()
  type t
  end type t
  class(t), allocatable :: xx[:], yy(:)[:]

gcc/testsuite/gfortran.dg/extends_14.f03

@@ -16,12 +16,13 @@ program evolve_aflow
   type, extends(state_t) :: astate_t
   end type
 
+ block ! New scoping unit as "a"/"b" are otherwise implicitly SAVEd
   type(astate_t) :: a,b
 
   allocate(a%U(1000))
 
   a = b
-
+ end block
 end program 
 
 ! { dg-final { scan-tree-dump-times "__builtin_free" 3 "original" } }

gcc/testsuite/gfortran.dg/finalize_12.f90

+! { dg-do run }
+! { dg-options "-fcoarray=single" }
+!
+! PR fortran/37336
+!
+module m
+  implicit none
+  type t
+    integer :: i
+  contains
+    final :: fini, fini2
+  end type t
+  integer :: global_count1, global_count2
+contains
+  subroutine fini(x)
+    type(t) :: x
+    !print *, 'fini:',x%i
+    if (global_count1 == -1) call abort ()
+    if (x%i /= 42) call abort() 
+    x%i = 33
+    global_count1 = global_count1 + 1
+  end subroutine fini
+  subroutine fini2(x)
+    type(t) :: x(:)
+    !print *, 'fini2', x%i
+    if (global_count2 == -1) call abort ()
+    if (size(x) /= 5) call abort()
+    if (any (x%i /= [1,2,3,4,5]) .and. any (x%i /= [6,7,8,9,10])) call abort() 
+    x%i = 33
+    global_count2 = global_count2 + 10
+  end subroutine fini2
+end module m
+
+program pp
+  use m
+  implicit none
+  type(t), allocatable :: ya
+  class(t), allocatable :: yc
+  type(t), allocatable :: yaa(:)
+  class(t), allocatable :: yca(:)
+
+  type(t), allocatable :: ca[:]
+  class(t), allocatable :: cc[:]
+  type(t), allocatable :: caa(:)[:]
+  class(t), allocatable :: cca(:)[:]
+
+  global_count1 = -1
+  global_count2 = -1
+  allocate (ya, yc, yaa(5), yca(5))
+  global_count1 = 0
+  global_count2 = 0
+  ya%i = 42
+  yc%i = 42
+  yaa%i = [1,2,3,4,5]
+  yca%i = [1,2,3,4,5]
+
+  call foo(ya, yc, yaa, yca)
+  if (global_count1 /= 2) call abort ()
+  if (global_count2 /= 20) call abort ()
+
+  ! Coarray finalization
+  allocate (ca[*], cc[*], caa(5)[*], cca(5)[*])
+  global_count1 = 0
+  global_count2 = 0
+  ca%i = 42
+  cc%i = 42
+  caa%i = [1,2,3,4,5]
+  cca%i = [1,2,3,4,5]
+  deallocate (ca, cc, caa, cca)
+  if (global_count1 /= 2) call abort ()
+  if (global_count2 /= 20) call abort ()
+  global_count1 = -1
+  global_count2 = -1
+
+  block
+    type(t), allocatable :: za
+    class(t), allocatable :: zc
+    type(t), allocatable :: zaa(:)
+    class(t), allocatable :: zca(:)
+
+    ! Test intent(out) finalization
+    allocate (za, zc, zaa(5), zca(5))
+    global_count1 = 0
+    global_count2 = 0
+    za%i = 42
+    zc%i = 42
+    zaa%i = [1,2,3,4,5]
+    zca%i = [1,2,3,4,5]
+
+    call foo(za, zc, zaa, zca)
+    if (global_count1 /= 2) call abort ()
+    if (global_count2 /= 20) call abort ()
+
+    ! Test intent(out) finalization with optional
+    call foo_opt()
+    call opt()
+
+    ! Test intent(out) finalization with optional
+    allocate (za, zc, zaa(5), zca(5))
+    global_count1 = 0
+    global_count2 = 0
+    za%i = 42
+    zc%i = 42
+    zaa%i = [1,2,3,4,5]
+    zca%i = [1,2,3,4,5]
+
+    call foo_opt(za, zc, zaa, zca)
+    if (global_count1 /= 2) call abort ()
+    if (global_count2 /= 20) call abort ()
+
+    ! Test DEALLOCATE finalization
+    allocate (za, zc, zaa(5), zca(5))
+    global_count1 = 0
+    global_count2 = 0
+    za%i = 42
+    zc%i = 42
+    zaa%i = [1,2,3,4,5]
+    zca%i = [6,7,8,9,10]
+    deallocate (za, zc, zaa, zca)
+    if (global_count1 /= 2) call abort ()
+    if (global_count2 /= 20) call abort ()
+
+    ! Test end-of-scope finalization
+    allocate (za, zc, zaa(5), zca(5))
+    global_count1 = 0
+    global_count2 = 0
+    za%i = 42
+    zc%i = 42
+    zaa%i = [1,2,3,4,5]
+    zca%i = [6,7,8,9,10]
+  end block
+
+  if (global_count1 /= 2) call abort ()
+  if (global_count2 /= 20) call abort ()
+
+  ! Test that no end-of-scope finalization occurs
+  ! for SAVED variable in main
+  allocate (ya, yc, yaa(5), yca(5))
+  global_count1 = -1
+  global_count2 = -1
+
+contains
+
+  subroutine opt(xa, xc, xaa, xca)
+    type(t),  allocatable, optional :: xa
+    class(t), allocatable, optional :: xc
+    type(t),  allocatable, optional :: xaa(:)
+    class(t), allocatable, optional :: xca(:)
+    call foo_opt(xc, xc, xaa)
+    !call foo_opt(xa, xc, xaa, xca) ! FIXME: Fails (ICE) due to PR 57445
+  end subroutine opt
+  subroutine foo_opt(xa, xc, xaa, xca)
+    type(t),  allocatable, intent(out), optional :: xa
+    class(t), allocatable, intent(out), optional :: xc
+    type(t),  allocatable, intent(out), optional :: xaa(:)
+    class(t), allocatable, intent(out), optional :: xca(:)
+
+    if (.not. present(xa)) &
+      return
+    if (allocated (xa)) call abort ()
+    if (allocated (xc)) call abort ()
+    if (allocated (xaa)) call abort ()
+    if (allocated (xca)) call abort ()
+  end subroutine foo_opt
+  subroutine foo(xa, xc, xaa, xca)
+    type(t),  allocatable, intent(out) :: xa
+    class(t), allocatable, intent(out) :: xc
+    type(t),  allocatable, intent(out) :: xaa(:)
+    class(t), allocatable, intent(out) :: xca(:)
+    if (allocated (xa)) call abort ()
+    if (allocated (xc)) call abort ()
+    if (allocated (xaa)) call abort ()
+    if (allocated (xca)) call abort ()
+  end subroutine foo
+end program

gcc/testsuite/gfortran.dg/finalize_13.f90

+! { dg-do run }
+!
+! PR fortran/37336
+!
+module m
+  implicit none
+  type t
+    integer :: i
+  contains
+    final :: fini3, fini2, fini_elm
+  end type t
+
+  type, extends(t) :: t2
+    integer :: j
+  contains
+    final :: f2ini2, f2ini_elm
+  end type t2
+
+  logical :: elem_call
+  logical :: rank2_call
+  logical :: rank3_call
+  integer :: cnt, cnt2
+  integer :: fini_call
+
+contains
+  subroutine fini2 (x)
+    type(t), intent(in), contiguous :: x(:,:)
+    if (.not. rank2_call) call abort ()
+    if (size(x,1) /= 2 .or. size(x,2) /= 3) call abort()
+    !print *, 'fini2:', x%i
+    if (any (x%i /= reshape([11, 12, 21, 22, 31, 32], [2,3]))) call abort()
+    fini_call = fini_call + 1
+  end subroutine
+
+  subroutine fini3 (x)
+    type(t), intent(in) :: x(2,2,*)
+    integer :: i,j,k
+    if (.not. elem_call) call abort ()
+    if (.not. rank3_call) call abort ()
+    if (cnt2 /= 9) call abort()
+    if (cnt /= 1) call abort()
+      do i = 1, 2
+        do j = 1, 2
+          do k = 1, 2
+            !print *, k,j,i,x(k,j,i)%i
+            if (x(k,j,i)%i /= k+10*j+100*i) call abort()
+          end do 
+        end do
+      end do
+    fini_call = fini_call + 1
+  end subroutine
+
+  impure elemental subroutine fini_elm (x)
+    type(t), intent(in) :: x
+    if (.not. elem_call) call abort ()
+    if (rank3_call) call abort ()
+    if (cnt2 /= 6) call abort()
+    if (cnt /= x%i) call abort()
+    !print *, 'fini_elm:', cnt, x%i
+    fini_call = fini_call + 1
+    cnt = cnt + 1
+  end subroutine
+
+  subroutine f2ini2 (x)
+    type(t2), intent(in), target :: x(:,:)
+    if (.not. rank2_call) call abort ()
+    if (size(x,1) /= 2 .or. size(x,2) /= 3) call abort()
+    !print *, 'f2ini2:', x%i
+    !print *, 'f2ini2:', x%j
+    if (any (x%i /= reshape([11, 12, 21, 22, 31, 32], [2,3]))) call abort()
+    if (any (x%j /= 100*reshape([11, 12, 21, 22, 31, 32], [2,3]))) call abort()
+    fini_call = fini_call + 1
+  end subroutine
+
+  impure elemental subroutine f2ini_elm (x)
+    type(t2), intent(in) :: x
+    integer, parameter :: exprected(*) &
+            = [111, 112, 121, 122, 211, 212, 221, 222]
+
+    if (.not. elem_call) call abort ()
+    !print *, 'f2ini_elm:', cnt2, x%i, x%j
+    if (rank3_call) then
+      if (x%i /= exprected(cnt2)) call abort ()  
+      if (x%j /= 1000*exprected(cnt2)) call abort ()  
+    else
+      if (cnt2 /= x%i .or. cnt2*10 /= x%j) call abort()
+    end if
+    cnt2 = cnt2 + 1
+    fini_call = fini_call + 1
+  end subroutine
+end module m
+
+
+program test
+  use m
+  implicit none
+  class(t), save, allocatable :: y(:), z(:,:), zz(:,:,:)
+  target :: z, zz
+  integer :: i,j,k
+
+  elem_call = .false.
+  rank2_call = .false.
+  rank3_call = .false.
+  allocate (t2 :: y(5))
+  select type (y)
+    type is (t2)
+      do i = 1, 5
+        y(i)%i = i
+        y(i)%j = i*10
+      end do
+  end select
+  cnt = 1
+  cnt2 = 1
+  fini_call = 0
+  elem_call = .true.
+  deallocate (y)
+  if (fini_call /= 10) call abort ()
+
+  elem_call = .false.
+  rank2_call = .false.
+  rank3_call = .false.
+  allocate (t2 :: z(2,3))
+  select type (z)
+    type is (t2)
+      do i = 1, 3
+        do j = 1, 2
+          z(j,i)%i = j+10*i
+          z(j,i)%j = (j+10*i)*100
+        end do
+      end do
+  end select
+  cnt = 1
+  cnt2 = 1
+  fini_call = 0
+  rank2_call = .true.
+  deallocate (z)
+  if (fini_call /= 2) call abort ()
+
+  elem_call = .false.
+  rank2_call = .false.
+  rank3_call = .false.
+  allocate (t2 :: zz(2,2,2))
+  select type (zz)
+    type is (t2)
+      do i = 1, 2
+        do j = 1, 2
+          do k = 1, 2
+            zz(k,j,i)%i = k+10*j+100*i
+            zz(k,j,i)%j = (k+10*j+100*i)*1000
+          end do 
+        end do
+      end do
+  end select
+  cnt = 1
+  cnt2 = 1
+  fini_call = 0
+  rank3_call = .true.
+  elem_call = .true.
+  deallocate (zz)
+  if (fini_call /= 2*2*2+1) call abort ()
+end program test

gcc/testsuite/gfortran.dg/finalize_14.f90

+! { dg-do compile }
+!
+! PR fortran/37336
+!
+! Started to fail when finalization was added.
+!
+! Contributed by  Ian Chivers  in PR fortran/44465
+! 
+module shape_module
+
+  type shape_type
+    integer   :: x_=0
+    integer   :: y_=0
+    contains
+    procedure , pass(this) :: getx
+    procedure , pass(this) :: gety
+    procedure , pass(this) :: setx
+    procedure , pass(this) :: sety
+    procedure , pass(this) :: moveto
+    procedure , pass(this) :: draw
+  end type shape_type
+
+interface assignment(=)
+  module procedure generic_shape_assign
+end interface
+
+contains
+
+  integer function getx(this)
+    implicit none
+    class (shape_type) , intent(in) :: this
+    getx=this%x_
+  end function getx
+
+  integer function gety(this)
+    implicit none
+    class (shape_type) , intent(in) :: this
+    gety=this%y_
+  end function gety
+
+  subroutine setx(this,x)
+    implicit none
+    class (shape_type), intent(inout) :: this
+    integer , intent(in) :: x
+    this%x_=x
+  end subroutine setx
+
+  subroutine sety(this,y)
+    implicit none
+    class (shape_type), intent(inout) :: this
+    integer , intent(in) :: y
+    this%y_=y
+  end subroutine sety
+
+  subroutine moveto(this,newx,newy)
+    implicit none
+    class (shape_type), intent(inout) :: this
+    integer , intent(in) :: newx
+    integer , intent(in) :: newy
+    this%x_=newx
+    this%y_=newy
+  end subroutine moveto
+
+  subroutine draw(this)
+    implicit none
+    class (shape_type), intent(in) :: this
+    print *,' x = ' , this%x_
+    print *,' y = ' , this%y_
+  end subroutine draw
+
+  subroutine generic_shape_assign(lhs,rhs)
+  implicit none
+    class (shape_type) , intent(out) , allocatable :: lhs
+    class (shape_type) , intent(in) :: rhs
+      print *,' In generic_shape_assign'
+      if ( allocated(lhs) ) then
+        deallocate(lhs)
+      end if
+      allocate(lhs,source=rhs)
+  end subroutine generic_shape_assign
+  
+end module shape_module
+
+! Circle_p.f90
+
+module circle_module
+
+use shape_module
+
+type , extends(shape_type) :: circle_type
+
+  integer :: radius_
+
+  contains
+
+  procedure , pass(this) :: getradius
+  procedure , pass(this) :: setradius
+  procedure , pass(this) :: draw => draw_circle
+
+end type circle_type
+
+  contains
+
+  integer function getradius(this)
+  implicit none
+  class (circle_type) , intent(in) :: this
+    getradius=this%radius_
+  end function getradius
+
+  subroutine setradius(this,radius)
+  implicit none
+  class (circle_type) , intent(inout) :: this
+  integer , intent(in) :: radius
+    this%radius_=radius
+  end subroutine setradius
+
+  subroutine draw_circle(this)
+  implicit none
+    class (circle_type), intent(in) :: this
+    print *,' x = ' , this%x_
+    print *,' y = ' , this%y_
+    print *,' radius = ' , this%radius_
+  end subroutine draw_circle
+
+end module circle_module
+
+
+! Rectangle_p.f90
+
+module rectangle_module
+
+use shape_module
+
+type , extends(shape_type) :: rectangle_type
+
+  integer :: width_
+  integer :: height_
+
+  contains
+
+  procedure , pass(this) :: getwidth
+  procedure , pass(this) :: setwidth
+  procedure , pass(this) :: getheight
+  procedure , pass(this) :: setheight
+  procedure , pass(this) :: draw => draw_rectangle
+
+end type rectangle_type
+
+  contains
+
+  integer function getwidth(this)
+  implicit none
+  class (rectangle_type) , intent(in) :: this
+    getwidth=this%width_
+  end function getwidth
+
+  subroutine setwidth(this,width)
+  implicit none
+  class (rectangle_type) , intent(inout) :: this
+  integer , intent(in) :: width
+    this%width_=width
+  end subroutine setwidth
+
+  integer function getheight(this)
+  implicit none
+  class (rectangle_type) , intent(in) :: this
+    getheight=this%height_
+  end function getheight
+
+  subroutine setheight(this,height)
+  implicit none
+  class (rectangle_type) , intent(inout) :: this
+  integer , intent(in) :: height
+    this%height_=height
+  end subroutine setheight
+
+  subroutine draw_rectangle(this)
+  implicit none
+    class (rectangle_type), intent(in) :: this
+    print *,' x = ' , this%x_
+    print *,' y = ' , this%y_
+    print *,' width = ' , this%width_
+    print *,' height = ' , this%height_
+
+  end subroutine draw_rectangle
+
+end module rectangle_module
+
+
+
+program polymorphic
+
+use shape_module
+use circle_module
+use rectangle_module
+
+implicit none
+
+type shape_w
+  class (shape_type) , allocatable :: shape_v
+end type shape_w
+
+type (shape_w) , dimension(3) :: p
+
+  print *,' shape '
+
+  p(1)%shape_v=shape_type(10,20)
+  call p(1)%shape_v%draw()
+
+  print *,' circle '
+
+  p(2)%shape_v=circle_type(100,200,300)
+  call p(2)%shape_v%draw()
+
+  print *,' rectangle '
+
+  p(3)%shape_v=rectangle_type(1000,2000,3000,4000)
+  call p(3)%shape_v%draw()
+
+end program polymorphic

gcc/testsuite/gfortran.dg/move_alloc_4.f90

@@ -10,13 +10,14 @@ program testmv3
     integer, allocatable  :: ia(:), ja(:)
   end type
 
+ block ! For auto-dealloc, as PROGRAM implies SAVE
   type(bar), allocatable :: sm,sm2
 
   allocate(sm)
   allocate(sm%ia(10),sm%ja(10))
 
   call move_alloc(sm2,sm)
-
+ end block
 end program testmv3 
 
 ! { dg-final { scan-tree-dump-times "__builtin_free" 9 "original" } }

gcc/testsuite/gfortran.dg/typebound_proc_27.f03

@@ -33,6 +33,7 @@ program prog
 
   use m
 
+ block ! Start new scoping unit as PROGRAM implies SAVE
   type(tx) :: this
   type(tx), target :: that
   type(tx), pointer :: p
@@ -64,6 +65,7 @@ program prog
   !print *,this%i
   if(any (this%i /= [8, 9])) call abort()
 
+ end block
 end program prog
 
 !