functional (function<>::operator==, operator!=): Remove, per LWG 1240.

2010-10-15  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/std/functional (function<>::operator==, operator!=):
	Remove, per LWG 1240.
	* testsuite/20_util/function/cmp/cmp_neg.cc: Adjust dg-* directives.

From-SVN: r165514

libstdc++-v3/ChangeLog

+2010-10-15  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	* include/std/functional (function<>::operator==, operator!=):
+	Remove, per LWG 1240.
+	* testsuite/20_util/function/cmp/cmp_neg.cc: Adjust dg-* directives.
+
 2010-10-13  Jonathan Wakely  <jwakely.gcc@gmail.com>
 
 	PR libstdc++/45990

libstdc++-v3/include/std/functional

@@ -2096,12 +2096,6 @@ _GLIBCXX_HAS_NESTED_TYPE(result_type)
       template<typename _Functor> const _Functor* target() const;
 #endif
 
-      // deleted overloads
-      template<typename _Res2, typename... _ArgTypes2>
-	void operator==(const function<_Res2(_ArgTypes2...)>&) const = delete;
-      template<typename _Res2, typename... _ArgTypes2>
-	void operator!=(const function<_Res2(_ArgTypes2...)>&) const = delete;
-
     private:
       typedef _Res (*_Invoker_type)(const _Any_data&, _ArgTypes...);
       _Invoker_type _M_invoker;

libstdc++-v3/testsuite/20_util/function/cmp/cmp_neg.cc

 // { dg-options "-std=gnu++0x" }
 // { dg-do compile }
 
-// Copyright (C) 2009 Free Software Foundation, Inc.
+// Copyright (C) 2009, 2010 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -26,13 +26,7 @@ void test01()
 {
   std::function<void()> f1;
   std::function<void()> f2;
-  f1 == f2;  // { dg-error "deleted" }
-  f1 != f2;  // { dg-error "deleted" }
-}
-
-int main()
-{
-  test01();
-
-  return 0;
+  f1 == f2;  // { dg-error "no match" }
+  f1 != f2;  // { dg-error "no match" }
 }
+// { dg-excess-errors "candidates are" }