re PR libstdc++/31031 (ostream ambiguous operator&&)

2007-03-03  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/31031
	* include/bits/istream.tcc: Inhibit implicit instantiation of
	the _M_insert helpers.
	* include/bits/ostream.tcc: Likewise for _M_extract.
	* testsuite/27_io/basic_ostream/inserters_arithmetic/char/
	31031.cc: New.
	* testsuite/27_io/basic_ostream/inserters_arithmetic/wchar_t/
	31031.cc: Likewise.

From-SVN: r122513

libstdc++-v3/ChangeLog

+2007-03-03  Paolo Carlini  <pcarlini@suse.de>
+
+	PR libstdc++/31031
+	* include/bits/istream.tcc: Inhibit implicit instantiation of
+	the _M_insert helpers.
+	* include/bits/ostream.tcc: Likewise for _M_extract.
+	* testsuite/27_io/basic_ostream/inserters_arithmetic/char/
+	31031.cc: New.
+	* testsuite/27_io/basic_ostream/inserters_arithmetic/wchar_t/
+	31031.cc: Likewise.
+
 2007-03-03  Benjamin Kosnik  <bkoz@redhat.com>
 
 	* include/debug/functions.h: Use cstddef.

libstdc++-v3/include/bits/istream.tcc

@@ -999,6 +999,20 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
   extern template istream& operator>>(istream&, unsigned char*);
   extern template istream& operator>>(istream&, signed char*);
 
+  extern template istream& istream::_M_extract(unsigned short&);
+  extern template istream& istream::_M_extract(unsigned int&);  
+  extern template istream& istream::_M_extract(long&);
+  extern template istream& istream::_M_extract(unsigned long&);
+  extern template istream& istream::_M_extract(bool&);
+#ifdef _GLIBCXX_USE_LONG_LONG
+  extern template istream& istream::_M_extract(long long&);
+  extern template istream& istream::_M_extract(unsigned long long&);
+#endif
+  extern template istream& istream::_M_extract(float&);
+  extern template istream& istream::_M_extract(double&);
+  extern template istream& istream::_M_extract(long double&);
+  extern template istream& istream::_M_extract(void*&);
+
   extern template class basic_iostream<char>;
 
 #ifdef _GLIBCXX_USE_WCHAR_T
@@ -1007,6 +1021,20 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
   extern template wistream& operator>>(wistream&, wchar_t&);
   extern template wistream& operator>>(wistream&, wchar_t*);
 
+  extern template wistream& wistream::_M_extract(unsigned short&);
+  extern template wistream& wistream::_M_extract(unsigned int&);  
+  extern template wistream& wistream::_M_extract(long&);
+  extern template wistream& wistream::_M_extract(unsigned long&);
+  extern template wistream& wistream::_M_extract(bool&);
+#ifdef _GLIBCXX_USE_LONG_LONG
+  extern template wistream& wistream::_M_extract(long long&);
+  extern template wistream& wistream::_M_extract(unsigned long long&);
+#endif
+  extern template wistream& wistream::_M_extract(float&);
+  extern template wistream& wistream::_M_extract(double&);
+  extern template wistream& wistream::_M_extract(long double&);
+  extern template wistream& wistream::_M_extract(void*&);
+
   extern template class basic_iostream<wchar_t>;
 #endif
 #endif

libstdc++-v3/include/bits/ostream.tcc

@@ -365,6 +365,17 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
   extern template ostream& operator<<(ostream&, const unsigned char*);
   extern template ostream& operator<<(ostream&, const signed char*);
 
+  extern template ostream& ostream::_M_insert(long);
+  extern template ostream& ostream::_M_insert(unsigned long);
+  extern template ostream& ostream::_M_insert(bool);
+#ifdef _GLIBCXX_USE_LONG_LONG
+  extern template ostream& ostream::_M_insert(long long);
+  extern template ostream& ostream::_M_insert(unsigned long long);
+#endif
+  extern template ostream& ostream::_M_insert(double);
+  extern template ostream& ostream::_M_insert(long double);
+  extern template ostream& ostream::_M_insert(const void*);
+
 #ifdef _GLIBCXX_USE_WCHAR_T
   extern template class basic_ostream<wchar_t>;
   extern template wostream& endl(wostream&);
@@ -374,6 +385,17 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
   extern template wostream& operator<<(wostream&, char);
   extern template wostream& operator<<(wostream&, const wchar_t*);
   extern template wostream& operator<<(wostream&, const char*);
+
+  extern template wostream& wostream::_M_insert(long);
+  extern template wostream& wostream::_M_insert(unsigned long);
+  extern template wostream& wostream::_M_insert(bool);
+#ifdef _GLIBCXX_USE_LONG_LONG
+  extern template wostream& wostream::_M_insert(long long);
+  extern template wostream& wostream::_M_insert(unsigned long long);
+#endif
+  extern template wostream& wostream::_M_insert(double);
+  extern template wostream& wostream::_M_insert(long double);
+  extern template wostream& wostream::_M_insert(const void*);
 #endif
 #endif
 

libstdc++-v3/testsuite/27_io/basic_ostream/inserters_arithmetic/char/31031.cc

+// { dg-do compile }
+
+// 2007-03-03  Paolo Carlini  <pcarlini@suse.de>
+//
+// Copyright (C) 2007 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 2, 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 COPYING.  If not, write to
+// the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+// Boston, MA 02110-1301, USA.
+
+#include <iostream>
+
+class MyClass
+{
+  double x;
+
+public:
+  MyClass(double X) : x(X) {}
+  friend bool operator&&(int i, const MyClass& Z);
+};
+
+inline bool
+operator&&(int i, const MyClass& Z)
+{ return int(Z.x) == i; }
+
+// libstdc++/31031
+void test01()
+{
+  int k =3;
+  MyClass X(3.1);
+  std::ostringstream oss;
+
+  oss << (k && X);
+}
+
+int main()
+{
+  test01();
+  return 0;
+}

libstdc++-v3/testsuite/27_io/basic_ostream/inserters_arithmetic/wchar_t/31031.cc

+// { dg-do compile }
+
+// 2007-03-03  Paolo Carlini  <pcarlini@suse.de>
+//
+// Copyright (C) 2007 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 2, 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 COPYING.  If not, write to
+// the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+// Boston, MA 02110-1301, USA.
+
+#include <sstream>
+
+class MyClass
+{
+  double x;
+
+public:
+  MyClass(double X) : x(X) {}
+  friend bool operator&&(int i, const MyClass& Z);
+};
+
+inline bool
+operator&&(int i, const MyClass& Z)
+{ return int(Z.x) == i; }
+
+// libstdc++/31031
+void test01()
+{
+  int k =3;
+  MyClass X(3.1);
+  std::wostringstream oss;
+
+  oss << (k && X);
+}
+
+int main()
+{
+  test01();
+  return 0;
+}