[v3] libstdc++/53052

Index: include/std/type_traits
===================================================================
--- include/std/type_traits	(revision 186615)
+++ include/std/type_traits	(working copy)
@@ -1281,13 +1281,7 @@ 
 			       __is_convertible_helper<_From, _To>::value>
     { };
 
-  /// is_explicitly_convertible
-  template<typename _From, typename _To>
-    struct is_explicitly_convertible
-    : public is_constructible<_To, _From>
-    { };
 
-
   // const-volatile modifications.
 
   /// remove_const
Index: testsuite/20_util/make_signed/requirements/typedefs_neg.cc
===================================================================
--- testsuite/20_util/make_signed/requirements/typedefs_neg.cc	(revision 186615)
+++ testsuite/20_util/make_signed/requirements/typedefs_neg.cc	(working copy)
@@ -49,5 +49,5 @@ 
 // { dg-error "required from here" "" { target *-*-* } 41 }
 // { dg-error "required from here" "" { target *-*-* } 43 }
 
-// { dg-error "invalid use of incomplete type" "" { target *-*-* } 1581 }
-// { dg-error "declaration of" "" { target *-*-* } 1545 }
+// { dg-error "invalid use of incomplete type" "" { target *-*-* } 1575 }
+// { dg-error "declaration of" "" { target *-*-* } 1539 }
Index: testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc
===================================================================
--- testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc	(revision 186615)
+++ testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc	(working copy)
@@ -49,5 +49,5 @@ 
 // { dg-error "required from here" "" { target *-*-* } 41 }
 // { dg-error "required from here" "" { target *-*-* } 43 }
 
-// { dg-error "invalid use of incomplete type" "" { target *-*-* } 1499 }
-// { dg-error "declaration of" "" { target *-*-* } 1463 }
+// { dg-error "invalid use of incomplete type" "" { target *-*-* } 1493 }
+// { dg-error "declaration of" "" { target *-*-* } 1457 }
Index: testsuite/20_util/declval/requirements/1_neg.cc
===================================================================
--- testsuite/20_util/declval/requirements/1_neg.cc	(revision 186615)
+++ testsuite/20_util/declval/requirements/1_neg.cc	(working copy)
@@ -19,7 +19,7 @@ 
 // with this library; see the file COPYING3.  If not see
 // <http://www.gnu.org/licenses/>.
 
-// { dg-error "static assertion failed" "" { target *-*-* } 1792 }
+// { dg-error "static assertion failed" "" { target *-*-* } 1786 }
 
 #include <utility>
 
Index: testsuite/20_util/is_explicitly_convertible/value.cc
===================================================================
--- testsuite/20_util/is_explicitly_convertible/value.cc	(revision 186615)
+++ testsuite/20_util/is_explicitly_convertible/value.cc	(working copy)
@@ -1,45 +0,0 @@ 
-// { dg-options "-std=gnu++0x" }
-
-// Copyright (C) 2009 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
-// terms of the GNU General Public License as published by the
-// Free Software Foundation; either version 3, or (at your option)
-// any later version.
-//
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License along
-// with this library; see the file COPYING3.  If not see
-// <http://www.gnu.org/licenses/>.
-
-#include <type_traits>
-#include <testsuite_hooks.h>
-#include <testsuite_tr1.h>
-
-void test01()
-{
-  bool test __attribute__((unused)) = true;
-  using std::is_explicitly_convertible;
-  using namespace __gnu_test;
-
-  // Positive tests.
-  VERIFY( (test_relationship<is_explicitly_convertible, double&,
-	   ExplicitClass>(true)) );
-  VERIFY( (test_relationship<is_explicitly_convertible, int&,
-	   ExplicitClass>(true)) );
-
-  // Negative tests.
-  VERIFY( (test_relationship<is_explicitly_convertible, void*,
-	   ExplicitClass>(false)) );
-}
-
-int main()
-{
-  test01();
-  return 0;
-}
Index: testsuite/20_util/is_explicitly_convertible/requirements/typedefs.cc
===================================================================
--- testsuite/20_util/is_explicitly_convertible/requirements/typedefs.cc	(revision 186615)
+++ testsuite/20_util/is_explicitly_convertible/requirements/typedefs.cc	(working copy)
@@ -1,36 +0,0 @@ 
-// { dg-options "-std=gnu++0x" }
-// { dg-do compile }
-
-// 2009-12-30  Paolo Carlini  <paolo.carlini@oracle.com>
-//
-// Copyright (C) 2009 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
-// terms of the GNU General Public License as published by the
-// Free Software Foundation; either version 3, or (at your option)
-// any later version.
-//
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License along
-// with this library; see the file COPYING3.  If not see
-// <http://www.gnu.org/licenses/>.
-
-// 
-// NB: This file is for testing type_traits with NO OTHER INCLUDES.
-
-#include <type_traits>
-
-void test01()
-{
-  // Check for required typedefs
-  typedef std::is_explicitly_convertible<int, int>   test_type;
-  typedef test_type::value_type                      value_type;
-  typedef test_type::type                            type;
-  typedef test_type::type::value_type                type_value_type;
-  typedef test_type::type::type                      type_type;
-}
Index: testsuite/20_util/is_explicitly_convertible/requirements/explicit_instantiation.cc
===================================================================
--- testsuite/20_util/is_explicitly_convertible/requirements/explicit_instantiation.cc	(revision 186615)
+++ testsuite/20_util/is_explicitly_convertible/requirements/explicit_instantiation.cc	(working copy)
@@ -1,31 +0,0 @@ 
-// { dg-options "-std=gnu++0x" }
-// { dg-do compile }
-
-// 2009-12-30  Paolo Carlini  <paolo.carlini@oracle.com>
-
-// Copyright (C) 2009 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
-// terms of the GNU General Public License as published by the
-// Free Software Foundation; either version 3, or (at your option)
-// any later version.
-
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License along
-// with this library; see the file COPYING3.  If not see
-// <http://www.gnu.org/licenses/>.
-
-// NB: This file is for testing type_traits with NO OTHER INCLUDES.
-
-#include <type_traits>
-
-namespace std
-{
-  typedef short test_type;
-  template struct is_explicitly_convertible<test_type, test_type>;
-}