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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5 files changed, 424 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/29_atomics/headers/atomic/functions_std_c++0x.cc b/libstdc++-v3/testsuite/29_atomics/headers/atomic/functions_std_c++0x.cc
new file mode 100644
index 000000000..7af4369aa
--- /dev/null
+++ b/libstdc++-v3/testsuite/29_atomics/headers/atomic/functions_std_c++0x.cc
@@ -0,0 +1,49 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-do compile }
+
+// Copyright (C) 2008, 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 <atomic>
+
+namespace gnu
+{
+  using std::atomic_flag_test_and_set;
+  using std::atomic_flag_test_and_set_explicit;
+  using std::atomic_flag_clear;
+  using std::atomic_flag_clear_explicit;
+
+  using std::kill_dependency;
+
+  // Sloppy testing for integral types (en masse).
+  using std::atomic_is_lock_free;
+  using std::atomic_store;
+  using std::atomic_store_explicit;
+  using std::atomic_load;
+  using std::atomic_load_explicit;
+  using std::atomic_exchange;
+  using std::atomic_exchange_explicit;
+  using std::atomic_compare_exchange_weak;
+  using std::atomic_compare_exchange_strong;
+  using std::atomic_compare_exchange_weak_explicit;
+  using std::atomic_compare_exchange_strong_explicit;
+
+  using std::atomic_fetch_add;
+  using std::atomic_fetch_add_explicit;
+  using std::atomic_fetch_sub;
+  using std::atomic_fetch_sub_explicit;
+}
diff --git a/libstdc++-v3/testsuite/29_atomics/headers/atomic/macros.cc b/libstdc++-v3/testsuite/29_atomics/headers/atomic/macros.cc
new file mode 100644
index 000000000..e2461a111
--- /dev/null
+++ b/libstdc++-v3/testsuite/29_atomics/headers/atomic/macros.cc
@@ -0,0 +1,104 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-do compile }
+
+// Copyright (C) 2008, 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/>.
+
+#include <atomic>
+
+namespace gnu
+{
+#ifndef ATOMIC_CHAR_LOCK_FREE 
+# error "ATOMIC_CHAR_LOCK_FREE must be a macro"
+#else
+# if ATOMIC_CHAR_LOCK_FREE != 0 \
+    && ATOMIC_CHAR_LOCK_FREE != 1 && ATOMIC_CHAR_LOCK_FREE != 2
+# error "ATOMIC_CHAR_LOCK_FREE must be 0, 1, or 2"
+# endif
+#endif
+
+#ifndef ATOMIC_CHAR16_T_LOCK_FREE 
+# error "ATOMIC_CHAR16_T_LOCK_FREE must be a macro"
+#else
+# if ATOMIC_CHAR16_T_LOCK_FREE != 0 \
+    && ATOMIC_CHAR16_T_LOCK_FREE != 1 && ATOMIC_CHAR16_T_LOCK_FREE != 2
+# error "ATOMIC_CHAR16_T_LOCK_FREE must be 0, 1, or 2"
+# endif
+#endif
+
+#ifndef ATOMIC_CHAR32_T_LOCK_FREE 
+# error "ATOMIC_CHAR32_T_LOCK_FREE must be a macro"
+#else
+# if ATOMIC_CHAR32_T_LOCK_FREE != 0 \
+    && ATOMIC_CHAR32_T_LOCK_FREE != 1 && ATOMIC_CHAR32_T_LOCK_FREE != 2
+# error "ATOMIC_CHAR32_T_LOCK_FREE must be 0, 1, or 2"
+# endif
+#endif
+
+#ifndef ATOMIC_WCHAR_T_LOCK_FREE 
+# error "ATOMIC_WCHAR_T_LOCK_FREE must be a macro"
+#else
+# if ATOMIC_WCHAR_T_LOCK_FREE != 0 \
+    && ATOMIC_WCHAR_T_LOCK_FREE != 1 && ATOMIC_WCHAR_T_LOCK_FREE != 2
+# error "ATOMIC_WCHAR_T_LOCK_FREE must be 0, 1, or 2"
+# endif
+#endif
+
+#ifndef ATOMIC_SHORT_LOCK_FREE 
+# error "ATOMIC_SHORT_LOCK_FREE must be a macro"
+#else
+# if ATOMIC_SHORT_LOCK_FREE != 0 \
+    && ATOMIC_SHORT_LOCK_FREE != 1 && ATOMIC_SHORT_LOCK_FREE != 2
+# error "ATOMIC_SHORT_LOCK_FREE must be 0, 1, or 2"
+# endif
+#endif
+
+#ifndef ATOMIC_INT_LOCK_FREE 
+# error "ATOMIC_INT_LOCK_FREE must be a macro"
+#else
+# if ATOMIC_INT_LOCK_FREE != 0 \
+    && ATOMIC_INT_LOCK_FREE != 1 && ATOMIC_INT_LOCK_FREE != 2
+# error "ATOMIC_INT_LOCK_FREE must be 0, 1, or 2"
+# endif
+#endif
+
+#ifndef ATOMIC_LONG_LOCK_FREE 
+# error "ATOMIC_LONG_LOCK_FREE must be a macro"
+#else
+# if ATOMIC_LONG_LOCK_FREE != 0 \
+    && ATOMIC_LONG_LOCK_FREE != 1 && ATOMIC_LONG_LOCK_FREE != 2
+# error "ATOMIC_LONG_LOCK_FREE must be 0, 1, or 2"
+# endif
+#endif
+
+#ifndef ATOMIC_LLONG_LOCK_FREE 
+# error "ATOMIC_LLONG_LOCK_FREE must be a macro"
+#else
+# if ATOMIC_LLONG_LOCK_FREE != 0 \
+    && ATOMIC_LLONG_LOCK_FREE != 1 && ATOMIC_LLONG_LOCK_FREE != 2
+# error "ATOMIC_LLONG_LOCK_FREE must be 0, 1, or 2"
+# endif
+#endif
+
+#ifndef ATOMIC_FLAG_INIT
+    #error "ATOMIC_FLAG_INIT_must_be_a_macro"
+#endif
+
+#ifndef ATOMIC_VAR_INIT
+    #error "ATOMIC_VAR_INIT_must_be_a_macro"
+#endif
+}
diff --git a/libstdc++-v3/testsuite/29_atomics/headers/atomic/std_c++0x_neg.cc b/libstdc++-v3/testsuite/29_atomics/headers/atomic/std_c++0x_neg.cc
new file mode 100644
index 000000000..be390b0f7
--- /dev/null
+++ b/libstdc++-v3/testsuite/29_atomics/headers/atomic/std_c++0x_neg.cc
@@ -0,0 +1,26 @@
+// { dg-do compile }
+// { dg-options "-std=gnu++98" }
+
+// Copyright (C) 2008, 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 <atomic>  // { dg-excess-errors "In file included from" }
+
+// { dg-error "upcoming ISO" "" { target *-*-* } 32 } 
+
+
+
diff --git a/libstdc++-v3/testsuite/29_atomics/headers/atomic/types_std_c++0x.cc b/libstdc++-v3/testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
new file mode 100644
index 000000000..772bc338e
--- /dev/null
+++ b/libstdc++-v3/testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
@@ -0,0 +1,75 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-do compile }
+
+// Copyright (C) 2008, 2009, 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/>.
+
+#include <atomic>
+
+void test01()
+{
+  using std::memory_order;
+  using std::memory_order_relaxed;
+  using std::memory_order_consume;
+  using std::memory_order_acquire;
+  using std::memory_order_release;
+  using std::memory_order_acq_rel;
+  using std::memory_order_seq_cst;
+
+  using std::atomic_flag;
+
+  // atomics for builtins types
+  using std::atomic_bool;
+  using std::atomic_char;
+  using std::atomic_schar;
+  using std::atomic_uchar;
+  using std::atomic_short;
+  using std::atomic_ushort;
+  using std::atomic_int;
+  using std::atomic_uint;
+  using std::atomic_long;
+  using std::atomic_ulong;
+  using std::atomic_llong;
+  using std::atomic_ullong;
+  using std::atomic_wchar_t;
+  using std::atomic_char16_t;
+  using std::atomic_char32_t;
+
+  // atomics for standard typedefs
+  using std::atomic_int_least8_t;
+  using std::atomic_uint_least8_t;
+  using std::atomic_int_least16_t;
+  using std::atomic_uint_least16_t;
+  using std::atomic_int_least32_t;
+  using std::atomic_uint_least32_t;
+  using std::atomic_int_least64_t;
+  using std::atomic_uint_least64_t;
+  using std::atomic_int_fast8_t;
+  using std::atomic_uint_fast8_t;
+  using std::atomic_int_fast16_t;
+  using std::atomic_uint_fast16_t;
+  using std::atomic_int_fast32_t;
+  using std::atomic_uint_fast32_t;
+  using std::atomic_int_fast64_t;
+  using std::atomic_uint_fast64_t;
+  using std::atomic_intptr_t;
+  using std::atomic_uintptr_t;
+  using std::atomic_size_t;
+  using std::atomic_ptrdiff_t;
+  using std::atomic_intmax_t;
+  using std::atomic_uintmax_t;
+}
diff --git a/libstdc++-v3/testsuite/29_atomics/headers/atomic/types_std_c++0x_neg.cc b/libstdc++-v3/testsuite/29_atomics/headers/atomic/types_std_c++0x_neg.cc
new file mode 100644
index 000000000..579077343
--- /dev/null
+++ b/libstdc++-v3/testsuite/29_atomics/headers/atomic/types_std_c++0x_neg.cc
@@ -0,0 +1,170 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-do compile }
+
+// Copyright (C) 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/>.
+
+#include <atomic>
+
+void test01()
+{
+  // Not global scoped, only namespace std.
+  using memory_order;
+  using memory_order_relaxed;
+  using memory_order_consume;
+  using memory_order_acquire;
+  using memory_order_release;
+  using memory_order_acq_rel;
+  using memory_order_seq_cst;
+
+  using atomic_flag;
+
+  using atomic_bool;
+  using atomic_char;
+  using atomic_schar;
+  using atomic_uchar;
+  using atomic_short;
+  using atomic_ushort;
+  using atomic_int;
+  using atomic_uint;
+  using atomic_long;
+  using atomic_ulong;
+  using atomic_llong;
+  using atomic_ullong;
+  using atomic_wchar_t;
+  using atomic_char16_t;
+  using atomic_char32_t;
+
+  using atomic_int_least8_t;
+  using atomic_uint_least8_t;
+  using atomic_int_least16_t;
+  using atomic_uint_least16_t;
+  using atomic_int_least32_t;
+  using atomic_uint_least32_t;
+  using atomic_int_least64_t;
+  using atomic_uint_least64_t;
+  using atomic_int_fast8_t;
+  using atomic_uint_fast8_t;
+  using atomic_int_fast16_t;
+  using atomic_uint_fast16_t;
+  using atomic_int_fast32_t;
+  using atomic_uint_fast32_t;
+  using atomic_int_fast64_t;
+  using atomic_uint_fast64_t;
+  using atomic_intptr_t;
+  using atomic_uintptr_t;
+  using atomic_size_t;
+  using atomic_ptrdiff_t;
+  using atomic_intmax_t;
+  using atomic_uintmax_t;
+
+  using atomic_address;
+}
+
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 26 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 27 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 28 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 29 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 30 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 31 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 32 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 34 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 36 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 37 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 38 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 39 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 40 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 41 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 42 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 43 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 44 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 45 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 46 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 47 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 48 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 49 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 50 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 52 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 53 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 54 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 55 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 56 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 57 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 58 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 59 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 60 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 61 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 62 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 63 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 64 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 65 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 66 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 67 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 68 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 69 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 70 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 71 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 72 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 73 }
+// { dg-error "expected nested-name-specifier" "" { target *-*-* } 75 }
+
+// { dg-error "declared" "" { target *-*-* } 26 }
+// { dg-error "declared" "" { target *-*-* } 27 }
+// { dg-error "declared" "" { target *-*-* } 28 }
+// { dg-error "declared" "" { target *-*-* } 29 }
+// { dg-error "declared" "" { target *-*-* } 30 }
+// { dg-error "declared" "" { target *-*-* } 31 }
+// { dg-error "declared" "" { target *-*-* } 32 }
+// { dg-error "declared" "" { target *-*-* } 34 }
+// { dg-error "declared" "" { target *-*-* } 36 }
+// { dg-error "declared" "" { target *-*-* } 37 }
+// { dg-error "declared" "" { target *-*-* } 38 }
+// { dg-error "declared" "" { target *-*-* } 39 }
+// { dg-error "declared" "" { target *-*-* } 40 }
+// { dg-error "declared" "" { target *-*-* } 41 }
+// { dg-error "declared" "" { target *-*-* } 42 }
+// { dg-error "declared" "" { target *-*-* } 43 }
+// { dg-error "declared" "" { target *-*-* } 44 }
+// { dg-error "declared" "" { target *-*-* } 45 }
+// { dg-error "declared" "" { target *-*-* } 46 }
+// { dg-error "declared" "" { target *-*-* } 47 }
+// { dg-error "declared" "" { target *-*-* } 48 }
+// { dg-error "declared" "" { target *-*-* } 49 }
+// { dg-error "declared" "" { target *-*-* } 50 }
+// { dg-error "declared" "" { target *-*-* } 52 }
+// { dg-error "declared" "" { target *-*-* } 53 }
+// { dg-error "declared" "" { target *-*-* } 54 }
+// { dg-error "declared" "" { target *-*-* } 55 }
+// { dg-error "declared" "" { target *-*-* } 56 }
+// { dg-error "declared" "" { target *-*-* } 57 }
+// { dg-error "declared" "" { target *-*-* } 58 }
+// { dg-error "declared" "" { target *-*-* } 59 }
+// { dg-error "declared" "" { target *-*-* } 60 }
+// { dg-error "declared" "" { target *-*-* } 61 }
+// { dg-error "declared" "" { target *-*-* } 62 }
+// { dg-error "declared" "" { target *-*-* } 63 }
+// { dg-error "declared" "" { target *-*-* } 64 }
+// { dg-error "declared" "" { target *-*-* } 65 }
+// { dg-error "declared" "" { target *-*-* } 66 }
+// { dg-error "declared" "" { target *-*-* } 67 }
+// { dg-error "declared" "" { target *-*-* } 68 }
+// { dg-error "declared" "" { target *-*-* } 69 }
+// { dg-error "declared" "" { target *-*-* } 70 }
+// { dg-error "declared" "" { target *-*-* } 71 }
+// { dg-error "declared" "" { target *-*-* } 72 }
+// { dg-error "declared" "" { target *-*-* } 73 }
+// { dg-error "declared" "" { target *-*-* } 75 }