method.c (build_stub_object): Use CONVERT_EXPR.

	* method.c (build_stub_object): Use CONVERT_EXPR.
	* tree.c (build_dummy_object): Likewise.
	(is_dummy_object): Adjust.

From-SVN: r215736

gcc/cp/ChangeLog

 2014-09-30  Jason Merrill  <jason@redhat.com>
 
+	* method.c (build_stub_object): Use CONVERT_EXPR.
+	* tree.c (build_dummy_object): Likewise.
+	(is_dummy_object): Adjust.
+
 	* cp-tree.h (cp_trait_kind): Remove CPTK_IS_CONVERTIBLE_TO.
 	* cxx-pretty-print.c (pp_cxx_trait_expression): Likewise.
 	* semantics.c (trait_expr_value): Likewise.

gcc/cp/method.c

@@ -852,7 +852,7 @@ build_stub_type (tree type, int quals, bool rvalue)
 static tree
 build_stub_object (tree reftype)
 {
-  tree stub = build1 (NOP_EXPR, reftype, integer_one_node);
+  tree stub = build1 (CONVERT_EXPR, reftype, integer_one_node);
   return convert_from_reference (stub);
 }
 

gcc/cp/tree.c

@@ -2979,7 +2979,7 @@ member_p (const_tree decl)
 tree
 build_dummy_object (tree type)
 {
-  tree decl = build1 (NOP_EXPR, build_pointer_type (type), void_node);
+  tree decl = build1 (CONVERT_EXPR, build_pointer_type (type), void_node);
   return cp_build_indirect_ref (decl, RO_NULL, tf_warning_or_error);
 }
 
@@ -3028,7 +3028,7 @@ is_dummy_object (const_tree ob)
 {
   if (INDIRECT_REF_P (ob))
     ob = TREE_OPERAND (ob, 0);
-  return (TREE_CODE (ob) == NOP_EXPR
+  return (TREE_CODE (ob) == CONVERT_EXPR
 	  && TREE_OPERAND (ob, 0) == void_node);
 }