commit 8a9db2d69b88c72ca0fd794c1058918069787f83
Author: Jonathan Wakely <jwakely@redhat.com>
Date: Thu Jul 30 10:11:28 2015 +0100
* include/experimental/any (any::operator=(const any&)): Check for
self-assignment.
* testsuite/experimental/any/assign/self.cc: New.
* testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
@@ -175,6 +175,9 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
/// Copy the state of another object.
any& operator=(const any& __rhs)
{
+ if (this == &__rhs)
+ return *this;
+
if (__rhs.empty())
clear();
else
new file mode 100644
@@ -0,0 +1,41 @@
+// Copyright (C) 2015 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/>.
+
+// { dg-options "-std=gnu++14" }
+
+#include <experimental/any>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+ using std::experimental::any;
+
+ any a;
+ a = a;
+ VERIFY( a.empty() );
+
+ a = 1;
+ a = a;
+ VERIFY( !a.empty() );
+}
+
+int
+main()
+{
+ test01();
+}
@@ -26,5 +26,5 @@ void test01()
using std::experimental::any_cast;
const any y(1);
- any_cast<int&>(y); // { dg-error "qualifiers" "" { target { *-*-* } } 356 }
+ any_cast<int&>(y); // { dg-error "qualifiers" "" { target { *-*-* } } 359 }
}