re PR libstdc++/51711 (regex.h contains incorrect code)

2011-12-30  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/51711
	* include/bits/regex.h (regex_replace): Fix thinko.
	* testsuite/28_regex/algorithms/regex_replace/char/51711.cc: New.
	* testsuite/28_regex/algorithms/regex_replace/wchar_t/51711.cc:
	Likewise.

From-SVN: r182740

4 files changed, 71 insertions, 1 deletions

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 7a35a3a..09615cb 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,11 @@
+2011-12-30  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR libstdc++/51711
+	* include/bits/regex.h (regex_replace): Fix thinko.
+	* testsuite/28_regex/algorithms/regex_replace/char/51711.cc: New.
+	* testsuite/28_regex/algorithms/regex_replace/wchar_t/51711.cc:
+	Likewise.
+
 2011-12-29  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	* include/bits/hashtable_policy.h (struct _Ebo_helper<>): Don't use
diff --git a/libstdc++-v3/include/bits/regex.h b/libstdc++-v3/include/bits/regex.h
index 645011d..4c49665 100644
--- a/libstdc++-v3/include/bits/regex.h
+++ b/libstdc++-v3/include/bits/regex.h
@@ -2223,7 +2223,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 		  regex_constants::match_flag_type __flags
 		  = regex_constants::match_default)
     {
-      std::string __result;
+      basic_string<_Ch_type> __result;
       regex_replace(std::back_inserter(__result),
 		    __s.begin(), __s.end(), __e, __fmt, __flags);
       return __result;
diff --git a/libstdc++-v3/testsuite/28_regex/algorithms/regex_replace/char/51711.cc b/libstdc++-v3/testsuite/28_regex/algorithms/regex_replace/char/51711.cc
new file mode 100644
index 0000000..5532713
--- /dev/null
+++ b/libstdc++-v3/testsuite/28_regex/algorithms/regex_replace/char/51711.cc
@@ -0,0 +1,31 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-do compile }
+
+// Copyright (C) 2011 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 <regex>
+#include <string>
+
+// libstdc++/51711
+void test01()
+{
+  std::string toProcess("Bug\r\n");
+  std::string result __attribute__((unused))
+    = std::regex_replace(toProcess, std::regex("\\r"), std::string("\\r"));
+}
diff --git a/libstdc++-v3/testsuite/28_regex/algorithms/regex_replace/wchar_t/51711.cc b/libstdc++-v3/testsuite/28_regex/algorithms/regex_replace/wchar_t/51711.cc
new file mode 100644
index 0000000..66b74e4
--- /dev/null
+++ b/libstdc++-v3/testsuite/28_regex/algorithms/regex_replace/wchar_t/51711.cc
@@ -0,0 +1,31 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-do compile }
+
+// Copyright (C) 2011 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 <regex>
+#include <string>
+
+// libstdc++/51711
+void test01()
+{
+  std::wstring toProcess(L"Bug\r\n");
+  std::wstring result __attribute__((unused))
+    = std::regex_replace(toProcess, std::wregex(L"\\r"), std::wstring(L"\\r"));
+}