re PR c++/53721 ([C++11] "this" not allowed in trailing return type)

	PR c++/53721
	* parser.c (cp_parser_postfix_dot_deref_expression): Fix thinko.

From-SVN: r198257

gcc/cp/ChangeLog

+2013-04-24  Jason Merrill  <jason@redhat.com>
+
+	PR c++/53721
+	* parser.c (cp_parser_postfix_dot_deref_expression): Fix thinko.
+
 2013-04-24  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	* typeck.c (cxx_sizeof_or_alignof_type): Change -Wpointer-arith

gcc/cp/parser.c

@@ -6155,7 +6155,7 @@ cp_parser_postfix_dot_deref_expression (cp_parser *parser,
       /* Unlike the object expression in other contexts, *this is not
 	 required to be of complete type for purposes of class member
 	 access (5.2.5) outside the member function body.  */
-      else if (scope != current_class_ref
+      else if (postfix_expression != current_class_ref
 	       && !(processing_template_decl && scope == current_class_type))
 	scope = complete_type_or_else (scope, NULL_TREE);
       /* Let the name lookup machinery know that we are processing a

gcc/testsuite/g++.dg/cpp0x/decltype51.C

+// PR c++/53721
+// { dg-require-effective-target c++11 }
+
+struct A
+{
+  void f() {};
+  auto g() -> decltype(this->f())
+  {
+  }
+};