Hi,
fixed mainline and 4_8-branch. Tested x86_64-linux.
Thanks,
Paolo.
////////////////////////
2013-09-13 Paolo Carlini <paolo.carl...@oracle.com>
PR libstdc++/58415
* include/ext/sso_string_base.h (__sso_string_base<>::
__sso_string_base(__sso_string_base&&)): Fix thinkos about
_M_length vs _M_set_length.
* testsuite/ext/vstring/cons/58415-1.cc: New.
* testsuite/ext/vstring/cons/58415-2.cc: Likewise.
Index: include/ext/sso_string_base.h
===================================================================
--- include/ext/sso_string_base.h (revision 202561)
+++ include/ext/sso_string_base.h (working copy)
@@ -361,9 +361,9 @@
_M_capacity(__rcs._M_allocated_capacity);
}
- _M_length(__rcs._M_length());
- __rcs._M_length(0);
+ _M_set_length(__rcs._M_length());
__rcs._M_data(__rcs._M_local_data);
+ __rcs._M_set_length(0);
}
#endif
Index: testsuite/ext/vstring/cons/58415-1.cc
===================================================================
--- testsuite/ext/vstring/cons/58415-1.cc (revision 0)
+++ testsuite/ext/vstring/cons/58415-1.cc (working copy)
@@ -0,0 +1,41 @@
+// { dg-options "-std=gnu++11" }
+// { dg-require-string-conversions "" }
+
+// Copyright (C) 2013 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 <ext/vstring.h>
+#include <testsuite_hooks.h>
+
+typedef __gnu_cxx::__versa_string<char> string;
+
+void test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ string s1("string");
+ string s2("");
+ std::swap(s1, s2);
+
+ VERIFY( s1.c_str()[0] == '\0' );
+}
+
+int main()
+{
+ test01();
+ return 0;
+}
Index: testsuite/ext/vstring/cons/58415-2.cc
===================================================================
--- testsuite/ext/vstring/cons/58415-2.cc (revision 0)
+++ testsuite/ext/vstring/cons/58415-2.cc (working copy)
@@ -0,0 +1,38 @@
+// { dg-options "-std=gnu++11" }
+// { dg-require-string-conversions "" }
+
+// Copyright (C) 2013 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 <ext/vstring.h>
+#include <testsuite_hooks.h>
+
+typedef __gnu_cxx::__versa_string<char> string;
+
+void test01()
+{
+ string s1;
+ string s2 = std::move(s1);
+
+ VERIFY( s2.c_str()[0] == '\0' );
+}
+
+int main()
+{
+ test01();
+ return 0;
+}
