re PR c++/36760 (Simple std::bind use causes warnings with -Wextra)

/cp
2008-07-09  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/36760
	* pt.c (tsubst_function_type): Remove warning for type qualifiers
	on function return type.

/testsuite
2008-07-09  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/36760
	* g++.dg/warn/Wreturn-type-4.C: Adjust.

From-SVN: r137672

gcc/cp/ChangeLog

 2008-07-09  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/36760
+	* pt.c (tsubst_function_type): Remove warning for type qualifiers
+	on function return type.
+
+2008-07-09  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/36760
 	* pt.c (tsubst_function_type): Don't warn for type qualifiers
 	on function return type in case of system header.
 

gcc/cp/pt.c

@@ -8765,14 +8765,6 @@ tsubst_function_type (tree t,
   if (arg_types == error_mark_node)
     return error_mark_node;
 
-  if (TYPE_QUALS (return_type) != TYPE_UNQUALIFIED
-      && in_decl != NULL_TREE
-      && !TREE_NO_WARNING (in_decl)
-      && !DECL_IN_SYSTEM_HEADER (in_decl)
-      && (SCALAR_TYPE_P (return_type) || VOID_TYPE_P (return_type)))
-    warning (OPT_Wignored_qualifiers,
-            "type qualifiers ignored on function return type");
-
   /* Construct a new type node and return it.  */
   if (TREE_CODE (t) == FUNCTION_TYPE)
     fntype = build_function_type (return_type, arg_types);

gcc/testsuite/ChangeLog

+2008-07-09  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/36760
+	* g++.dg/warn/Wreturn-type-4.C: Adjust.
+
 2008-07-09  Richard Sandiford  <rdsandiford@googlemail.com>
 
 	PR target/35802

gcc/testsuite/g++.dg/warn/Wreturn-type-4.C

@@ -16,7 +16,7 @@ template<typename T> const T getfoo(const T def) /* { dg-bogus "type qualifiers
 template<typename T> class Pair
 {
     public:
-        T getLeft() const { return T(); }   /* { dg-warning "type qualifiers ignored" } */
+        T getLeft() const { return T(); }   /* { dg-bogus "type qualifiers ignored" } */
         const T getRight() const { return T(); } /* { dg-bogus "type qualifiers ignored" } */
 };