obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
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9 files changed, 549 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/1.cc b/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/1.cc
new file mode 100644
index 000000000..79362e677
--- /dev/null
+++ b/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/1.cc
@@ -0,0 +1,161 @@
+// 1999-06-04 bkoz
+
+// Copyright (C) 1999, 2000, 2001, 2002, 2003, 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/>.
+
+// 21.3.1 basic_string constructors.
+
+#include <new>
+#include <string>
+#include <stdexcept>
+#include <testsuite_hooks.h>
+
+void test01(void)
+{
+  bool test __attribute__((unused)) = true;
+  typedef std::string::size_type csize_type;
+  typedef std::string::iterator citerator;
+  csize_type npos = std::string::npos;
+  csize_type csz01;
+
+  const char str_lit01[] = "rodeo beach, marin";
+  const std::string str01(str_lit01);
+  const std::string str02("baker beach, san francisco");
+
+  // basic_string(const string&, size_type pos = 0, siz_type n = npos, alloc)
+  csz01 = str01.size();
+  try {
+    std::string str03(str01, csz01 + 1);
+    VERIFY( false );
+  }		 
+  catch(std::out_of_range& fail) {
+    VERIFY( true );
+  }
+  catch(...) {
+    VERIFY( false );
+  }
+
+  try {
+    std::string str03(str01, csz01);
+    VERIFY( str03.size() == 0 );
+    VERIFY( str03.size() <= str03.capacity() );
+  }		 
+  catch(...) {
+    VERIFY( false );
+  }
+
+  // basic_string(const char* s, size_type n, alloc)
+  csz01 = str01.max_size();
+  // NB: As strlen(str_lit01) != csz01, this test is undefined. It
+  // should not crash, but what gets constructed is a bit arbitrary.
+  try {
+    std::string str03(str_lit01, csz01 + 1);
+    VERIFY( true );
+  }		 
+  catch(std::length_error& fail) {
+    VERIFY( true );
+  }
+  catch(...) {
+    VERIFY( false );
+  }
+
+  // NB: As strlen(str_lit01) != csz01, this test is undefined. It
+  // should not crash, but what gets constructed is a bit arbitrary.
+  // The "maverick's" of all string objects.
+  try {
+    std::string str04(str_lit01, npos); 
+    VERIFY( true );
+  }		 
+  catch(std::length_error& fail) {
+    VERIFY( true );
+  }
+  catch(...) {
+    VERIFY( false );
+  }
+
+  // Build a maxsize - 1 lengthed string consisting of all A's
+  try {
+    std::string str03(csz01 - 1, 'A');
+    VERIFY( str03.size() == csz01 - 1 );
+    VERIFY( str03.size() <= str03.capacity() );
+  }		 
+  // NB: bad_alloc is regrettable but entirely kosher for
+  // out-of-memory situations.
+  catch(std::bad_alloc& fail) {
+    VERIFY( true );
+  }
+  catch(...) {
+    VERIFY( false );
+  }
+
+  // basic_string(const char* s, const allocator& a = allocator())
+  std::string str04(str_lit01);
+  VERIFY( str01 == str04 );
+
+
+  // basic_string(size_type n, char c, const allocator& a = allocator())
+  csz01 = str01.max_size();
+  try {
+    std::string str03(csz01 + 1, 'z');
+    VERIFY( false );
+  }		 
+  catch(std::length_error& fail) {
+    VERIFY( true );
+  }
+  catch(...) {
+    VERIFY( false );
+  }
+
+  try {
+    std::string str04(npos, 'b'); // the "maverick's" of all string objects.
+    VERIFY( false );
+  }		 
+  catch(std::length_error& fail) {
+    VERIFY( true );
+  }
+  catch(...) {
+    VERIFY( false );
+  }
+
+  try {
+    std::string str03(csz01 - 1, 'z');
+    VERIFY( str03.size() != 0 );
+    VERIFY( str03.size() <= str03.capacity() );
+  }		 
+  // NB: bad_alloc is regrettable but entirely kosher for
+  // out-of-memory situations.
+  catch(std::bad_alloc& fail) {
+    VERIFY( true );
+  }
+  catch(...) {
+    VERIFY( false );
+  }
+
+
+  // template<typename _InputIter>
+  //   basic_string(_InputIter begin, _InputIter end, const allocator& a)
+  std::string str06(str01.begin(), str01.end());
+  VERIFY( str06 == str01 );
+}
+
+int main()
+{ 
+  __gnu_test::set_memory_limits();
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/2.cc b/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/2.cc
new file mode 100644
index 000000000..f3d252e3a
--- /dev/null
+++ b/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/2.cc
@@ -0,0 +1,41 @@
+// 1999-06-04 bkoz
+
+// Copyright (C) 1999, 2000, 2001, 2002, 2003, 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/>.
+
+// 21.3.1 basic_string constructors.
+
+#include <string>
+#include <testsuite_hooks.h>
+
+void test02()
+{
+  bool test __attribute__((unused)) = true;
+
+  // template<typename _InputIter>
+  //   basic_string(_InputIter begin, _InputIter end, const allocator& a)
+  // where _InputIter is integral [21.3.1 para 15]
+  std::string s(10,0);
+  VERIFY( s.size() == 10 );
+}
+
+int main()
+{ 
+  test02();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/3.cc b/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/3.cc
new file mode 100644
index 000000000..5badcacb9
--- /dev/null
+++ b/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/3.cc
@@ -0,0 +1,69 @@
+// 1999-06-04 bkoz
+
+// Copyright (C) 1999, 2000, 2001, 2002, 2003, 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/>.
+
+// 21.3.1 basic_string constructors.
+
+#include <new>
+#include <string>
+#include <stdexcept>
+#include <testsuite_hooks.h>
+
+void test03()
+{
+  bool test __attribute__((unused)) = true;
+  const char* with_nulls = "This contains \0 a zero byte.";
+
+  // These are tests to see how basic_string handles data with NUL
+  // bytes.  Obviously basic_string(char*) will halt at the first one, but
+  // nothing else should.
+  std::string s1 (with_nulls, 28);
+  VERIFY( s1.size() == 28 );
+  std::string s2 (s1);
+  VERIFY( s2.size() == 28 );
+
+  // Not defined, but libstdc++ throws an exception.
+  const char* bogus = 0;
+  try 
+    {
+      std::string str1(bogus);
+      VERIFY( false );
+    }		 
+  catch(std::exception& fail) 
+    {
+      VERIFY( true );
+    }
+
+  // Not defined, but libstdc++ throws an exception.
+  try 
+    {
+      std::string str2(bogus, 5);
+      VERIFY( false );
+    }		 
+  catch(std::exception& fail) 
+    {
+      VERIFY( true );
+    }
+}
+
+int main()
+{ 
+  test03();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/4.cc b/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/4.cc
new file mode 100644
index 000000000..6bc6c19b6
--- /dev/null
+++ b/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/4.cc
@@ -0,0 +1,43 @@
+// 1999-06-04 bkoz
+
+// Copyright (C) 1999, 2000, 2001, 2002, 2003, 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/>.
+
+// 21.3.1 basic_string constructors.
+
+#include <string>
+#include <testsuite_hooks.h>
+
+// http://gcc.gnu.org/ml/libstdc++/2002-06/msg00025.html
+void test04()
+{
+  bool test __attribute__((unused)) = true;
+
+  std::string str01("portofino");
+
+  std::string::reverse_iterator i1 = str01.rbegin();
+  std::string::reverse_iterator i2 = str01.rend();
+  std::string str02(i1, i2);
+  VERIFY( str02 == "onifotrop" );
+}
+
+int main()
+{ 
+  test04();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/42261.cc b/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/42261.cc
new file mode 100644
index 000000000..a83b74ac7
--- /dev/null
+++ b/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/42261.cc
@@ -0,0 +1,35 @@
+// 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 <string>
+#include <testsuite_hooks.h>
+
+// libstdc++/42261
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+  using namespace std;
+
+  const string s(string::size_type(6), string::size_type('f'));
+  VERIFY( s == "ffffff" );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/5.cc b/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/5.cc
new file mode 100644
index 000000000..5652478f4
--- /dev/null
+++ b/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/5.cc
@@ -0,0 +1,44 @@
+// 1999-06-04 bkoz
+
+// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2009, 2010
+// 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/>.
+
+// 21.3.1 basic_string constructors.
+
+#include <string>
+#include <vector>
+#include <testsuite_hooks.h>
+
+// libstdc++/8347
+void test05()
+{
+  bool test __attribute__((unused)) = true;
+
+  std::vector<char> empty;
+  std::string empty2(empty.begin(), empty.end());
+
+  // libstdc++/8716 (same underlying situation, same fix)
+  char const * s = 0;
+  std::string zero_length_built_with_NULL(s,0);
+}
+
+int main()
+{ 
+  test05();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/6.cc b/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/6.cc
new file mode 100644
index 000000000..3494935f3
--- /dev/null
+++ b/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/6.cc
@@ -0,0 +1,55 @@
+// 2004-01-30  Paolo Carlini  <pcarlini@suse.de>
+
+// Copyright (C) 2004, 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/>.
+
+// 21.3.1 basic_string constructors.
+
+#include <iterator>
+#include <sstream>
+#include <cstdlib>
+#include <testsuite_hooks.h>
+
+using namespace std;
+
+string data(long len)
+{
+  string ret;
+  for (long i = 0; i < len; ++i)
+    ret.push_back('a' + rand() % 26);
+  return ret;
+}
+
+void test01(int iter)
+{
+  bool test __attribute__((unused)) = true;
+
+  for (long i = 0, j = 1; i < iter; ++i, j *= 3)
+    {
+      istringstream isstr(data(j));
+
+      string str((istreambuf_iterator<char>(isstr)),
+		 istreambuf_iterator<char>());
+      VERIFY( str == isstr.str() );
+    }
+}
+
+int main()
+{
+  test01(13);
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/moveable.cc b/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/moveable.cc
new file mode 100644
index 000000000..58b1e4461
--- /dev/null
+++ b/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/moveable.cc
@@ -0,0 +1,47 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-require-string-conversions "" }
+
+// Copyright (C) 2010 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/>.
+
+// NOTE: This makes use of the fact that we know how moveable
+// is implemented on string (via swap). If the implementation changed
+// this test may begin to fail.
+
+#include <string>
+#include <utility>
+#include <testsuite_hooks.h>
+
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  std::string a, b;
+  a.push_back('1');
+  b = std::move(a);
+  VERIFY( b.size() == 1 && b[0] == '1' && a.size() == 0 );
+
+  std::string c(std::move(b));
+  VERIFY( c.size() == 1 && c[0] == '1' );
+  VERIFY( b.size() == 0 );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/moveable2.cc b/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/moveable2.cc
new file mode 100644
index 000000000..19c389521
--- /dev/null
+++ b/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/moveable2.cc
@@ -0,0 +1,54 @@
+// { dg-options "-std=gnu++0x -fno-inline" }
+// { dg-require-string-conversions "" }
+
+// Copyright (C) 2010, 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/>.
+
+// NOTE: This makes use of the fact that we know how moveable
+// is implemented on string (via swap). If the implementation changed
+// this test may begin to fail.
+
+#include <string>
+#include <utility>
+#include <testsuite_hooks.h>
+
+class tstring : public std::basic_string<char>
+{
+public:
+  tstring() : std::basic_string<char>() {}
+  tstring(tstring&& s) : std::basic_string<char>(std::move(s)) {}
+};
+
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  tstring a, b;
+  a.push_back('1');
+  b = std::move(a);
+  VERIFY( b.size() == 1 && b[0] == '1' && a.size() == 0 );
+
+  tstring c(std::move(b));
+  VERIFY( c.size() == 1 && c[0] == '1' );
+  VERIFY( b.size() == 0 );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}