diff --git a/common/recipes-devtools/gcc/gcc-source_6.3.bbappend b/common/recipes-devtools/gcc/gcc-source_6.3.bbappend
deleted file mode 100644
index 2fadb55..0000000
--- a/common/recipes-devtools/gcc/gcc-source_6.3.bbappend
+++ /dev/null
@@ -1,2 +0,0 @@
-FILESEXTRAPATHS_append := "${THISDIR}/gcc_6.3:"
-SRC_URI_append = "file://0001-Support-exception-propagation-without-lock-free-atom.patch"
diff --git a/common/recipes-devtools/gcc/gcc_6.3/0001-Support-exception-propagation-without-lock-free-atom.patch b/common/recipes-devtools/gcc/gcc_6.3/0001-Support-exception-propagation-without-lock-free-atom.patch
deleted file mode 100644
index 5ace034..0000000
--- a/common/recipes-devtools/gcc/gcc_6.3/0001-Support-exception-propagation-without-lock-free-atom.patch
+++ /dev/null
@@ -1,2010 +0,0 @@
-From cf17b2b404eed4778664b69d20e1943b619bfd38 Mon Sep 17 00:00:00 2001
-From: redi <redi@138bc75d-0d04-0410-961f-82ee72b054a4>
-Date: Wed, 4 Jan 2017 10:54:59 +0000
-Subject: [PATCH 1/1] Support exception propagation without lock-free atomic
- int
-
-2017-01-04  Pauli Nieminen  <suokkos@gmail.com>
-	    Jonathan Wakely  <jwakely@redhat.com>
-
-	PR libstdc++/64735
-	* acinclude.m4 (GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER): Define.
-	* config.h.in: Regenerate.
-	* config/abi/pre/gnu.ver [HAVE_EXCEPTION_PTR_SINCE_GCC46]
-	(GLIBCXX_3.4.15, GLIBCXX_3.4.21, CXXABI_1.3.3, CXXABI_1.3.5): Make
-	exports for exception_ptr, nested_exception, and future conditional.
-	[HAVE_EXCEPTION_PTR_SINCE_GCC46] (GLIBCXX_3.4.23, CXXABI_1.3.11): Add
-	exports for exception_ptr, nested_exception, and future conditional.
-	* configure: Regenerate.
-	* configure.ac: Use GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER.
-	* include/std/future: Remove check for ATOMIC_INT_LOCK_FREE
-	* libsupc++/eh_atomics.h: New file for internal use only.
-	(__eh_atomic_inc, __eh_atomic_dec): New.
-	* libsupc++/eh_ptr.cc (exception_ptr::_M_addref)
-	(exception_ptr::_M_release) (__gxx_dependent_exception_cleanup)
-	(rethrow_exception): Use eh_atomics.h reference counting helpers.
-	* libsupc++/eh_throw.cc (__gxx_exception_cleanup): Likewise.
-	* libsupc++/eh_tm.cc (free_any_cxa_exception): Likewise.
-	* libsupc++/exception: Remove check for ATOMIC_INT_LOCK_FREE.
-	* libsupc++/exception_ptr.h: Likewise.
-	* libsupc++/guard.cc: Include header for ATOMIC_INT_LOCK_FREE macro.
-	* libsupc++/nested_exception.cc: Remove check for
-	ATOMIC_INT_LOCK_FREE.
-	* libsupc++/nested_exception.h: Likewise.
-	* src/c++11/future.cc: Likewise.
-	* testsuite/18_support/exception_ptr/*: Remove atomic builtins checks.
-	* testsuite/18_support/nested_exception/*: Likewise.
-	* testsuite/30_threads/async/*: Likewise.
-	* testsuite/30_threads/future/*: Likewise.
-	* testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
-	* testsuite/30_threads/packaged_task/*: Likewise.
-	* testsuite/30_threads/promise/*: Likewise.
-	* testsuite/30_threads/shared_future/*: Likewise.
-
-git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@244051 138bc75d-0d04-0410-961f-82ee72b054a4
-
-This is a backport of the upstream commit.
-
-Signed-off-by: James Feist <james.feist@linux.intel.com>
----
- libstdc++-v3/ChangeLog                             | 38 +++++++++-
- libstdc++-v3/acinclude.m4                          | 37 ++++++++++
- libstdc++-v3/config.h.in                           |  3 +
- libstdc++-v3/config/abi/pre/gnu.ver                | 10 +++
- libstdc++-v3/configure                             | 49 +++++++++++++
- libstdc++-v3/configure.ac                          |  3 +
- libstdc++-v3/include/std/future                    |  4 +-
- libstdc++-v3/libsupc++/eh_atomics.h                | 84 ++++++++++++++++++++++
- libstdc++-v3/libsupc++/eh_ptr.cc                   | 14 ++--
- libstdc++-v3/libsupc++/eh_throw.cc                 |  7 +-
- libstdc++-v3/libsupc++/eh_tm.cc                    |  5 +-
- libstdc++-v3/libsupc++/exception                   |  3 +-
- libstdc++-v3/libsupc++/exception_ptr.h             |  4 --
- libstdc++-v3/libsupc++/guard.cc                    |  1 +
- libstdc++-v3/libsupc++/nested_exception.cc         |  2 -
- libstdc++-v3/libsupc++/nested_exception.h          |  4 --
- libstdc++-v3/src/c++11/future.cc                   |  3 +-
- .../testsuite/18_support/exception_ptr/40296.cc    |  1 -
- .../18_support/exception_ptr/60612-terminate.cc    |  1 -
- .../18_support/exception_ptr/60612-unexpected.cc   |  1 -
- .../testsuite/18_support/exception_ptr/62258.cc    |  1 -
- .../testsuite/18_support/exception_ptr/64241.cc    |  1 -
- .../18_support/exception_ptr/current_exception.cc  |  1 -
- .../testsuite/18_support/exception_ptr/lifespan.cc |  1 -
- .../18_support/exception_ptr/make_exception_ptr.cc |  1 -
- .../testsuite/18_support/exception_ptr/move.cc     |  1 -
- .../18_support/exception_ptr/requirements.cc       |  1 -
- .../18_support/exception_ptr/requirements_neg.cc   |  1 -
- .../18_support/exception_ptr/rethrow_exception.cc  |  1 -
- .../testsuite/18_support/nested_exception/51438.cc |  1 -
- .../testsuite/18_support/nested_exception/62154.cc |  1 -
- .../testsuite/18_support/nested_exception/68139.cc |  1 -
- .../testsuite/18_support/nested_exception/cons.cc  |  1 -
- .../18_support/nested_exception/nested_ptr.cc      |  1 -
- .../nested_exception/rethrow_if_nested.cc          |  1 -
- .../18_support/nested_exception/rethrow_nested.cc  |  1 -
- .../nested_exception/throw_with_nested.cc          |  1 -
- libstdc++-v3/testsuite/30_threads/async/42819.cc   |  1 -
- libstdc++-v3/testsuite/30_threads/async/49668.cc   |  1 -
- libstdc++-v3/testsuite/30_threads/async/54297.cc   |  1 -
- libstdc++-v3/testsuite/30_threads/async/any.cc     |  1 -
- libstdc++-v3/testsuite/30_threads/async/async.cc   |  1 -
- libstdc++-v3/testsuite/30_threads/async/except.cc  |  1 -
- .../testsuite/30_threads/async/forced_unwind.cc    |  1 -
- libstdc++-v3/testsuite/30_threads/async/launch.cc  |  1 -
- libstdc++-v3/testsuite/30_threads/async/lwg2021.cc |  1 -
- libstdc++-v3/testsuite/30_threads/async/sync.cc    |  1 -
- .../testsuite/30_threads/future/cons/assign_neg.cc |  1 -
- .../testsuite/30_threads/future/cons/constexpr.cc  |  1 -
- .../testsuite/30_threads/future/cons/copy_neg.cc   |  1 -
- .../testsuite/30_threads/future/cons/default.cc    |  1 -
- .../testsuite/30_threads/future/cons/move.cc       |  1 -
- .../30_threads/future/cons/move_assign.cc          |  1 -
- .../testsuite/30_threads/future/members/45133.cc   |  1 -
- .../testsuite/30_threads/future/members/get.cc     |  1 -
- .../testsuite/30_threads/future/members/get2.cc    |  1 -
- .../testsuite/30_threads/future/members/share.cc   |  1 -
- .../testsuite/30_threads/future/members/valid.cc   |  1 -
- .../testsuite/30_threads/future/members/wait.cc    |  1 -
- .../30_threads/future/members/wait_for.cc          |  1 -
- .../30_threads/future/members/wait_until.cc        |  1 -
- .../future/requirements/explicit_instantiation.cc  |  1 -
- .../30_threads/headers/future/types_std_c++0x.cc   |  1 -
- .../testsuite/30_threads/packaged_task/49668.cc    |  1 -
- .../testsuite/30_threads/packaged_task/60564.cc    |  1 -
- .../testsuite/30_threads/packaged_task/cons/1.cc   |  1 -
- .../testsuite/30_threads/packaged_task/cons/2.cc   |  1 -
- .../testsuite/30_threads/packaged_task/cons/3.cc   |  1 -
- .../30_threads/packaged_task/cons/56492.cc         |  1 -
- .../30_threads/packaged_task/cons/alloc.cc         |  1 -
- .../30_threads/packaged_task/cons/alloc2.cc        |  1 -
- .../30_threads/packaged_task/cons/alloc_min.cc     |  1 -
- .../30_threads/packaged_task/cons/assign_neg.cc    |  1 -
- .../30_threads/packaged_task/cons/copy_neg.cc      |  1 -
- .../30_threads/packaged_task/cons/move.cc          |  1 -
- .../30_threads/packaged_task/cons/move_assign.cc   |  1 -
- .../30_threads/packaged_task/forced_unwind.cc      |  1 -
- .../packaged_task/members/at_thread_exit.cc        |  1 -
- .../30_threads/packaged_task/members/get_future.cc |  1 -
- .../packaged_task/members/get_future2.cc           |  1 -
- .../30_threads/packaged_task/members/invoke.cc     |  1 -
- .../30_threads/packaged_task/members/invoke2.cc    |  1 -
- .../30_threads/packaged_task/members/invoke3.cc    |  1 -
- .../30_threads/packaged_task/members/invoke4.cc    |  1 -
- .../30_threads/packaged_task/members/invoke5.cc    |  1 -
- .../30_threads/packaged_task/members/reset.cc      |  1 -
- .../30_threads/packaged_task/members/reset2.cc     |  1 -
- .../30_threads/packaged_task/members/swap.cc       |  1 -
- .../30_threads/packaged_task/members/valid.cc      |  1 -
- .../requirements/explicit_instantiation.cc         |  1 -
- .../30_threads/packaged_task/uses_allocator.cc     |  1 -
- libstdc++-v3/testsuite/30_threads/promise/60966.cc |  1 -
- libstdc++-v3/testsuite/30_threads/promise/69106.cc |  1 -
- .../testsuite/30_threads/promise/cons/1.cc         |  1 -
- .../testsuite/30_threads/promise/cons/alloc.cc     |  1 -
- .../testsuite/30_threads/promise/cons/alloc2.cc    |  1 -
- .../testsuite/30_threads/promise/cons/alloc_min.cc |  1 -
- .../30_threads/promise/cons/assign_neg.cc          |  1 -
- .../testsuite/30_threads/promise/cons/copy_neg.cc  |  1 -
- .../testsuite/30_threads/promise/cons/move.cc      |  1 -
- .../30_threads/promise/cons/move_assign.cc         |  1 -
- .../30_threads/promise/members/at_thread_exit.cc   |  1 -
- .../30_threads/promise/members/get_future.cc       |  1 -
- .../30_threads/promise/members/get_future2.cc      |  1 -
- .../30_threads/promise/members/set_exception.cc    |  1 -
- .../30_threads/promise/members/set_exception2.cc   |  1 -
- .../30_threads/promise/members/set_value.cc        |  1 -
- .../30_threads/promise/members/set_value2.cc       |  1 -
- .../30_threads/promise/members/set_value3.cc       |  1 -
- .../testsuite/30_threads/promise/members/swap.cc   |  1 -
- .../promise/requirements/explicit_instantiation.cc |  1 -
- .../testsuite/30_threads/promise/uses_allocator.cc |  1 -
- .../30_threads/shared_future/cons/assign.cc        |  1 -
- .../30_threads/shared_future/cons/constexpr.cc     |  1 -
- .../30_threads/shared_future/cons/copy.cc          |  1 -
- .../30_threads/shared_future/cons/default.cc       |  1 -
- .../30_threads/shared_future/cons/move.cc          |  1 -
- .../30_threads/shared_future/cons/move_assign.cc   |  1 -
- .../30_threads/shared_future/members/45133.cc      |  1 -
- .../30_threads/shared_future/members/get.cc        |  1 -
- .../30_threads/shared_future/members/get2.cc       |  1 -
- .../30_threads/shared_future/members/valid.cc      |  1 -
- .../30_threads/shared_future/members/wait.cc       |  1 -
- .../30_threads/shared_future/members/wait_for.cc   |  1 -
- .../30_threads/shared_future/members/wait_until.cc |  1 -
- .../requirements/explicit_instantiation.cc         |  1 -
- 126 files changed, 236 insertions(+), 144 deletions(-)
- create mode 100644 libstdc++-v3/libsupc++/eh_atomics.h
-
-
-Index: gcc-6.3.0/libstdc++-v3/acinclude.m4
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/acinclude.m4
-+++ gcc-6.3.0/libstdc++-v3/acinclude.m4
-@@ -4517,6 +4517,43 @@ AC_DEFUN([GLIBCXX_CHECK_SIZE_T_MANGLING]
-     [Define to the letter to which size_t is mangled.])
- ])
- 
-+dnl
-+dnl Determine whether std::exception_ptr symbols should be exported with
-+dnl the symbol versions from GCC 4.6.0 or GCC 7.1.0, depending on which
-+dnl release first added support for std::exception_ptr. Originally it was
-+dnl only supported for targets with always-lock-free atomics for int, but
-+dnl since GCC 7.1 it is supported for all targets.
-+dnl
-+AC_DEFUN([GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER], [
-+  if test $enable_symvers != no; then
-+    AC_MSG_CHECKING([for first version to support std::exception_ptr])
-+    case ${target} in
-+      aarch64-*-* | alpha-*-* | hppa*-*-* | i?86-*-* | x86_64-*-* | \
-+      m68k-*-* | powerpc*-*-* | s390*-*-* | *-*-solaris* )
-+        ac_exception_ptr_since_gcc46=yes
-+        ;;
-+      *)
-+        # If the value of this macro changes then we will need to hardcode
-+        # yes/no here for additional targets based on the original value.
-+        AC_TRY_COMPILE([], [
-+          #if __GCC_ATOMIC_INT_LOCK_FREE <= 1
-+          # error atomic int not always lock free
-+          #endif
-+          ],
-+          [ac_exception_ptr_since_gcc46=yes],
-+          [ac_exception_ptr_since_gcc46=no])
-+        ;;
-+    esac
-+    if test x"$ac_exception_ptr_since_gcc46" = x"yes" ; then
-+      AC_DEFINE(HAVE_EXCEPTION_PTR_SINCE_GCC46, 1,
-+        [Define to 1 if GCC 4.6 supported std::exception_ptr for the target])
-+      AC_MSG_RESULT([4.6.0])
-+    else
-+      AC_MSG_RESULT([7.1.0])
-+    fi
-+  fi
-+])
-+
- # Macros from the top-level gcc directory.
- m4_include([../config/gc++filt.m4])
- m4_include([../config/tls.m4])
-Index: gcc-6.3.0/libstdc++-v3/config.h.in
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/config.h.in
-+++ gcc-6.3.0/libstdc++-v3/config.h.in
-@@ -120,6 +120,9 @@
- /* Define if EWOULDBLOCK exists. */
- #undef HAVE_EWOULDBLOCK
- 
-+/* Define to 1 if GCC 4.6 supported std::exception_ptr for the target */
-+#undef HAVE_EXCEPTION_PTR_SINCE_GCC46
-+
- /* Define to 1 if you have the <execinfo.h> header file. */
- #undef HAVE_EXECINFO_H
- 
-Index: gcc-6.3.0/libstdc++-v3/config/abi/pre/gnu.ver
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/config/abi/pre/gnu.ver
-+++ gcc-6.3.0/libstdc++-v3/config/abi/pre/gnu.ver
-@@ -1490,6 +1490,9 @@ GLIBCXX_3.4.15 {
-     _ZNSt14error_categoryC*;
-     _ZNSt14error_categoryD*;
- 
-+#ifdef HAVE_EXCEPTION_PTR_SINCE_GCC46
-+    # std::future symbols are only present in this version when
-+    # atomic operations on int are always lock-free.
-     _ZNSt13__future_base12_Result_baseC*;
-     _ZNSt13__future_base12_Result_baseD*;
-     _ZTINSt13__future_base12_Result_baseE;
-@@ -1498,6 +1501,7 @@ GLIBCXX_3.4.15 {
-     _ZNSt13__future_base11_State_baseD*;
-     _ZTINSt13__future_base11_State_baseE;
-     _ZTVNSt13__future_base11_State_baseE;
-+#endif
- 
- } GLIBCXX_3.4.14;
- 
-@@ -1674,8 +1678,10 @@ GLIBCXX_3.4.21 {
- 
-     # std::notify_all_at_thread_exit
-     _ZSt25notify_all_at_thread_exitRSt18condition_variableSt11unique_lockISt5mutexE;
-+#ifdef HAVE_EXCEPTION_PTR_SINCE_GCC46
-     # std::__future_base::_State_baseV2::_Make_ready::_M_set()
-     _ZNSt13__future_base13_State_baseV211_Make_ready6_M_setEv;
-+#endif
- 
-     # ABI-tagged std::basic_string
-     _ZNSt7__cxx1112basic_string*;
-@@ -2040,6 +2046,7 @@ CXXABI_1.3.3 {
-     _ZTIPDi;
-     _ZTIPKDi;
- 
-+#ifdef HAVE_EXCEPTION_PTR_SINCE_GCC46
-     # exception_ptr
-     _ZNSt15__exception_ptr13exception_ptrC1Ev;
-     _ZNSt15__exception_ptr13exception_ptrC2Ev;
-@@ -2059,6 +2066,7 @@ CXXABI_1.3.3 {
- 
-     _ZSt17current_exceptionv;
-     _ZSt17rethrow_exceptionNSt15__exception_ptr13exception_ptrE;
-+#endif
- 
- } CXXABI_1.3.2;
- 
-@@ -2089,10 +2097,12 @@ CXXABI_1.3.5 {
-     # FNV hash.
-     _ZSt15_Fnv_hash_bytesPKv*;
- 
-+#ifdef HAVE_EXCEPTION_PTR_SINCE_GCC46
-     # std::nested_exception
-     _ZNSt16nested_exceptionD*;
-     _ZTISt16nested_exception;
-     _ZTVSt16nested_exception;
-+#endif
- 
- } CXXABI_1.3.4;
- 
-Index: gcc-6.3.0/libstdc++-v3/configure
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/configure
-+++ gcc-6.3.0/libstdc++-v3/configure
-@@ -80655,6 +80655,55 @@ _ACEOF
- 
- 
- 
-+# Check which release added std::exception_ptr for the target
-+
-+  if test $enable_symvers != no; then
-+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for first version to support std::exception_ptr" >&5
-+$as_echo_n "checking for first version to support std::exception_ptr... " >&6; }
-+    case ${target} in
-+      aarch64-*-* | alpha-*-* | hppa*-*-* | i?86-*-* | x86_64-*-* | \
-+      m68k-*-* | powerpc*-*-* | s390*-*-* | *-*-solaris* )
-+        ac_exception_ptr_since_gcc46=yes
-+        ;;
-+      *)
-+        # If the value of this macro changes then we will need to hardcode
-+        # yes/no here for additional targets based on the original value.
-+        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-+/* end confdefs.h.  */
-+
-+int
-+main ()
-+{
-+
-+          #if __GCC_ATOMIC_INT_LOCK_FREE <= 1
-+          # error atomic int not always lock free
-+          #endif
-+
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+if ac_fn_c_try_compile "$LINENO"; then :
-+  ac_exception_ptr_since_gcc46=yes
-+else
-+  ac_exception_ptr_since_gcc46=no
-+fi
-+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-+        ;;
-+    esac
-+    if test x"$ac_exception_ptr_since_gcc46" = x"yes" ; then
-+
-+$as_echo "#define HAVE_EXCEPTION_PTR_SINCE_GCC46 1" >>confdefs.h
-+
-+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: 4.6.0" >&5
-+$as_echo "4.6.0" >&6; }
-+    else
-+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: 7.1.0" >&5
-+$as_echo "7.1.0" >&6; }
-+    fi
-+  fi
-+
-+
- # Define documentation rules conditionally.
- 
- # See if makeinfo has been installed and is modern enough
-Index: gcc-6.3.0/libstdc++-v3/configure.ac
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/configure.ac
-+++ gcc-6.3.0/libstdc++-v3/configure.ac
-@@ -411,6 +411,9 @@ GLIBCXX_CHECK_FILESYSTEM_DEPS
- # For Transactional Memory TS
- GLIBCXX_CHECK_SIZE_T_MANGLING
- 
-+# Check which release added std::exception_ptr for the target
-+GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER
-+
- # Define documentation rules conditionally.
- 
- # See if makeinfo has been installed and is modern enough
-Index: gcc-6.3.0/libstdc++-v3/include/std/future
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/include/std/future
-+++ gcc-6.3.0/libstdc++-v3/include/std/future
-@@ -182,8 +182,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
-     future<__async_result_of<_Fn, _Args...>>
-     async(_Fn&& __fn, _Args&&... __args);
- 
--#if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1) \
--  && (ATOMIC_INT_LOCK_FREE > 1)
-+#if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1)
- 
-   /// Base class and enclosing scope.
-   struct __future_base
-@@ -1745,7 +1744,6 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
- 
- #endif // _GLIBCXX_ASYNC_ABI_COMPAT
- #endif // _GLIBCXX_HAS_GTHREADS && _GLIBCXX_USE_C99_STDINT_TR1
--       // && ATOMIC_INT_LOCK_FREE
- 
-   // @} group futures
- _GLIBCXX_END_NAMESPACE_VERSION
-Index: gcc-6.3.0/libstdc++-v3/libsupc++/eh_atomics.h
-===================================================================
---- /dev/null
-+++ gcc-6.3.0/libstdc++-v3/libsupc++/eh_atomics.h
-@@ -0,0 +1,84 @@
-+// Exception Handling support header for -*- C++ -*-
-+
-+// Copyright (C) 2016 Free Software Foundation, Inc.
-+//
-+// This file is part of GCC.
-+//
-+// GCC 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.
-+//
-+// GCC 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.
-+//
-+// Under Section 7 of GPL version 3, you are granted additional
-+// permissions described in the GCC Runtime Library Exception, version
-+// 3.1, as published by the Free Software Foundation.
-+
-+// You should have received a copy of the GNU General Public License and
-+// a copy of the GCC Runtime Library Exception along with this program;
-+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
-+// <http://www.gnu.org/licenses/>.
-+
-+/** @file eh_atomics.h
-+ *  This is an internal header file, included by library source files.
-+ *  Do not attempt to use it directly.
-+ */
-+
-+#ifndef _EH_ATOMICS_H
-+#define _EH_ATOMICS_H 1
-+
-+#include <bits/c++config.h>
-+#include <bits/atomic_word.h>
-+#include <bits/atomic_lockfree_defines.h>
-+#if ATOMIC_INT_LOCK_FREE <= 1
-+# include <ext/atomicity.h>
-+#endif
-+
-+#pragma GCC visibility push(default)
-+extern "C++" {
-+namespace __gnu_cxx
-+{
-+  void
-+  __eh_atomic_inc (_Atomic_word* __count) __attribute__((always_inline));
-+
-+  bool
-+  __eh_atomic_dec (_Atomic_word* __count) __attribute__((always_inline));
-+
-+  // Increments the count.
-+  inline void
-+  __eh_atomic_inc (_Atomic_word* __count)
-+  {
-+#if ATOMIC_INT_LOCK_FREE > 1
-+    __atomic_add_fetch (__count, 1, __ATOMIC_ACQ_REL);
-+#else
-+    _GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE (__count);
-+    __gnu_cxx::__atomic_add_dispatch (__count, 1);
-+    _GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER (__count);
-+#endif
-+  }
-+
-+  // Decrements the count and returns true if it reached zero.
-+  inline bool
-+  __eh_atomic_dec (_Atomic_word* __count)
-+  {
-+#if ATOMIC_INT_LOCK_FREE > 1
-+    return __atomic_sub_fetch (__count, 1, __ATOMIC_ACQ_REL) == 0;
-+#else
-+    _GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE (__count);
-+    if (__gnu_cxx::__exchange_and_add_dispatch (__count, -1) == 1)
-+      {
-+	_GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER (__count);
-+	return true;
-+      }
-+    return false;
-+#endif
-+  }
-+} // namespace __gnu_cxx
-+}
-+#pragma GCC visibility pop
-+
-+#endif // _EH_ATOMICS_H
-Index: gcc-6.3.0/libstdc++-v3/libsupc++/eh_ptr.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/libsupc++/eh_ptr.cc
-+++ gcc-6.3.0/libstdc++-v3/libsupc++/eh_ptr.cc
-@@ -23,9 +23,7 @@
- // <http://www.gnu.org/licenses/>.
- 
- #include <bits/c++config.h>
--#include <bits/atomic_lockfree_defines.h>
--
--#if ATOMIC_INT_LOCK_FREE > 1
-+#include "eh_atomics.h"
- 
- #define _GLIBCXX_EH_PTR_COMPAT
- 
-@@ -103,7 +101,7 @@ std::__exception_ptr::exception_ptr::_M_
-     {
-       __cxa_refcounted_exception *eh =
- 	__get_refcounted_exception_header_from_obj (_M_exception_object);
--      __atomic_add_fetch (&eh->referenceCount, 1, __ATOMIC_ACQ_REL);
-+      __gnu_cxx::__eh_atomic_inc (&eh->referenceCount);
-     }
- }
- 
-@@ -115,7 +113,7 @@ std::__exception_ptr::exception_ptr::_M_
-     {
-       __cxa_refcounted_exception *eh =
- 	__get_refcounted_exception_header_from_obj (_M_exception_object);
--      if (__atomic_sub_fetch (&eh->referenceCount, 1, __ATOMIC_ACQ_REL) == 0)
-+      if (__gnu_cxx::__eh_atomic_dec (&eh->referenceCount))
-         {
- 	  if (eh->exc.exceptionDestructor)
- 	    eh->exc.exceptionDestructor (_M_exception_object);
-@@ -219,7 +217,7 @@ __gxx_dependent_exception_cleanup(_Unwin
- 
-   __cxa_free_dependent_exception (dep);
- 
--  if (__atomic_sub_fetch (&header->referenceCount, 1, __ATOMIC_ACQ_REL) == 0)
-+  if (__gnu_cxx::__eh_atomic_dec (&header->referenceCount))
-     {
-       if (header->exc.exceptionDestructor)
- 	header->exc.exceptionDestructor (header + 1);
-@@ -238,7 +236,7 @@ std::rethrow_exception(std::exception_pt
- 
-   __cxa_dependent_exception *dep = __cxa_allocate_dependent_exception ();
-   dep->primaryException = obj;
--  __atomic_add_fetch (&eh->referenceCount, 1,  __ATOMIC_ACQ_REL);
-+  __gnu_cxx::__eh_atomic_inc (&eh->referenceCount);
- 
-   dep->unexpectedHandler = get_unexpected ();
-   dep->terminateHandler = get_terminate ();
-@@ -260,5 +258,3 @@ std::rethrow_exception(std::exception_pt
- }
- 
- #undef _GLIBCXX_EH_PTR_COMPAT
--
--#endif
-Index: gcc-6.3.0/libstdc++-v3/libsupc++/eh_throw.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/libsupc++/eh_throw.cc
-+++ gcc-6.3.0/libstdc++-v3/libsupc++/eh_throw.cc
-@@ -24,6 +24,7 @@
- 
- #include <bits/c++config.h>
- #include "unwind-cxx.h"
-+#include "eh_atomics.h"
- 
- using namespace __cxxabiv1;
- 
-@@ -42,17 +43,13 @@ __gxx_exception_cleanup (_Unwind_Reason_
-   if (code != _URC_FOREIGN_EXCEPTION_CAUGHT && code != _URC_NO_REASON)
-     __terminate (header->exc.terminateHandler);
- 
--#if ATOMIC_INT_LOCK_FREE > 1
--  if (__atomic_sub_fetch (&header->referenceCount, 1, __ATOMIC_ACQ_REL) == 0)
-+  if (__gnu_cxx::__eh_atomic_dec (&header->referenceCount))
-     {
--#endif
-       if (header->exc.exceptionDestructor)
- 	header->exc.exceptionDestructor (header + 1);
- 
-       __cxa_free_exception (header + 1);
--#if ATOMIC_INT_LOCK_FREE > 1
-     }
--#endif
- }
- 
- 
-Index: gcc-6.3.0/libstdc++-v3/libsupc++/eh_tm.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/libsupc++/eh_tm.cc
-+++ gcc-6.3.0/libstdc++-v3/libsupc++/eh_tm.cc
-@@ -24,6 +24,7 @@
- 
- #include <cstdlib>
- #include "unwind-cxx.h"
-+#include "eh_atomics.h"
- 
- using namespace __cxxabiv1;
- 
-@@ -45,9 +46,7 @@ free_any_cxa_exception (_Unwind_Exceptio
-       __cxa_free_dependent_exception (dep);
-     }
- 
--#if __GCC_ATOMIC_INT_LOCK_FREE > 1
--  if (__atomic_sub_fetch (&h->referenceCount, 1, __ATOMIC_ACQ_REL) == 0)
--#endif
-+  if (__gnu_cxx::__eh_atomic_dec (&h->referenceCount))
-     __cxa_free_exception (h + 1);
- }
- 
-Index: gcc-6.3.0/libstdc++-v3/libsupc++/exception
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/libsupc++/exception
-+++ gcc-6.3.0/libstdc++-v3/libsupc++/exception
-@@ -35,7 +35,6 @@
- #pragma GCC visibility push(default)
- 
- #include <bits/c++config.h>
--#include <bits/atomic_lockfree_defines.h>
- 
- extern "C++" {
- 
-@@ -166,7 +165,7 @@ _GLIBCXX_END_NAMESPACE_VERSION
- 
- #pragma GCC visibility pop
- 
--#if (__cplusplus >= 201103L) && (ATOMIC_INT_LOCK_FREE > 1)
-+#if (__cplusplus >= 201103L)
- #include <bits/exception_ptr.h>
- #include <bits/nested_exception.h>
- #endif
-Index: gcc-6.3.0/libstdc++-v3/libsupc++/exception_ptr.h
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/libsupc++/exception_ptr.h
-+++ gcc-6.3.0/libstdc++-v3/libsupc++/exception_ptr.h
-@@ -36,10 +36,6 @@
- #include <bits/c++config.h>
- #include <bits/exception_defines.h>
- 
--#if ATOMIC_INT_LOCK_FREE < 2
--#  error This platform does not support exception propagation.
--#endif
--
- extern "C++" {
- 
- namespace std 
-Index: gcc-6.3.0/libstdc++-v3/libsupc++/guard.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/libsupc++/guard.cc
-+++ gcc-6.3.0/libstdc++-v3/libsupc++/guard.cc
-@@ -30,6 +30,7 @@
- #include <new>
- #include <ext/atomicity.h>
- #include <ext/concurrence.h>
-+#include <bits/atomic_lockfree_defines.h>
- #if defined(__GTHREADS) && defined(__GTHREAD_HAS_COND) \
-   && (ATOMIC_INT_LOCK_FREE > 1) && defined(_GLIBCXX_HAVE_LINUX_FUTEX)
- # include <climits>
-Index: gcc-6.3.0/libstdc++-v3/libsupc++/nested_exception.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/libsupc++/nested_exception.cc
-+++ gcc-6.3.0/libstdc++-v3/libsupc++/nested_exception.cc
-@@ -25,7 +25,5 @@
- 
- namespace std 
- {
--#if ATOMIC_INT_LOCK_FREE > 1
-   nested_exception::~nested_exception() noexcept = default;
--#endif
- } // namespace std
-Index: gcc-6.3.0/libstdc++-v3/libsupc++/nested_exception.h
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/libsupc++/nested_exception.h
-+++ gcc-6.3.0/libstdc++-v3/libsupc++/nested_exception.h
-@@ -39,10 +39,6 @@
- #include <bits/c++config.h>
- #include <bits/move.h>
- 
--#if ATOMIC_INT_LOCK_FREE < 2
--#  error This platform does not support exception propagation.
--#endif
--
- extern "C++" {
- 
- namespace std
-Index: gcc-6.3.0/libstdc++-v3/src/c++11/future.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/src/c++11/future.cc
-+++ gcc-6.3.0/libstdc++-v3/src/c++11/future.cc
-@@ -78,8 +78,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
-   const char*
-   future_error::what() const noexcept { return logic_error::what(); }
- 
--#if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1) \
--  && (ATOMIC_INT_LOCK_FREE > 1)
-+#if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1)
-   __future_base::_Result_base::_Result_base() = default;
- 
-   __future_base::_Result_base::~_Result_base() = default;
-Index: gcc-6.3.0/libstdc++-v3/testsuite/18_support/exception_ptr/40296.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/18_support/exception_ptr/40296.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/18_support/exception_ptr/40296.cc
-@@ -1,6 +1,5 @@
- // { dg-do compile }
- // { dg-options "-std=gnu++11" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/18_support/exception_ptr/60612-terminate.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/18_support/exception_ptr/60612-terminate.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/18_support/exception_ptr/60612-terminate.cc
-@@ -1,5 +1,4 @@
- // { dg-options "-std=gnu++11" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2014-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/18_support/exception_ptr/60612-unexpected.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/18_support/exception_ptr/60612-unexpected.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/18_support/exception_ptr/60612-unexpected.cc
-@@ -1,5 +1,4 @@
- // { dg-options "-std=gnu++11" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2014-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/18_support/exception_ptr/62258.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/18_support/exception_ptr/62258.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/18_support/exception_ptr/62258.cc
-@@ -1,5 +1,4 @@
- // { dg-options "-std=gnu++11" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2015-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/18_support/exception_ptr/64241.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/18_support/exception_ptr/64241.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/18_support/exception_ptr/64241.cc
-@@ -16,7 +16,6 @@
- // <http://www.gnu.org/licenses/>.
- 
- // { dg-options "-std=gnu++11 -fno-exceptions -O0" }
--// { dg-require-atomic-builtins "" }
- 
- #include <exception>
- #include <testsuite_hooks.h>
-Index: gcc-6.3.0/libstdc++-v3/testsuite/18_support/exception_ptr/current_exception.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/18_support/exception_ptr/current_exception.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/18_support/exception_ptr/current_exception.cc
-@@ -1,5 +1,4 @@
- // { dg-options "-std=gnu++11" }
--// { dg-require-atomic-builtins "" }
- 
- // 2008-05-25  Sebastian Redl  <sebastian.redl@getdesigned.at>
- 
-Index: gcc-6.3.0/libstdc++-v3/testsuite/18_support/exception_ptr/lifespan.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/18_support/exception_ptr/lifespan.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/18_support/exception_ptr/lifespan.cc
-@@ -1,5 +1,4 @@
- // { dg-options "-std=gnu++11" }
--// { dg-require-atomic-builtins "" }
- 
- // 2008-05-25  Sebastian Redl  <sebastian.redl@getdesigned.at>
- 
-Index: gcc-6.3.0/libstdc++-v3/testsuite/18_support/exception_ptr/make_exception_ptr.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/18_support/exception_ptr/make_exception_ptr.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/18_support/exception_ptr/make_exception_ptr.cc
-@@ -1,5 +1,4 @@
- // { dg-options "-std=gnu++11" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2010-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/18_support/exception_ptr/move.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/18_support/exception_ptr/move.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/18_support/exception_ptr/move.cc
-@@ -1,5 +1,4 @@
- // { dg-options "-std=gnu++11" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/18_support/exception_ptr/requirements.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/18_support/exception_ptr/requirements.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/18_support/exception_ptr/requirements.cc
-@@ -1,5 +1,4 @@
- // { dg-options "-std=gnu++11" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2010-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/18_support/exception_ptr/requirements_neg.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/18_support/exception_ptr/requirements_neg.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/18_support/exception_ptr/requirements_neg.cc
-@@ -1,6 +1,5 @@
- // { dg-do compile }
- // { dg-options "-std=gnu++11" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2010-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/18_support/exception_ptr/rethrow_exception.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/18_support/exception_ptr/rethrow_exception.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/18_support/exception_ptr/rethrow_exception.cc
-@@ -1,5 +1,4 @@
- // { dg-options "-std=gnu++11" }
--// { dg-require-atomic-builtins "" }
- 
- // 2008-05-25  Sebastian Redl  <sebastian.redl@getdesigned.at>
- 
-Index: gcc-6.3.0/libstdc++-v3/testsuite/18_support/nested_exception/51438.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/18_support/nested_exception/51438.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/18_support/nested_exception/51438.cc
-@@ -1,6 +1,5 @@
- // { dg-do compile }
- // { dg-options "-std=gnu++11" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2011-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/18_support/nested_exception/62154.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/18_support/nested_exception/62154.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/18_support/nested_exception/62154.cc
-@@ -1,5 +1,4 @@
- // { dg-options "-std=gnu++11" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2014-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/18_support/nested_exception/68139.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/18_support/nested_exception/68139.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/18_support/nested_exception/68139.cc
-@@ -1,6 +1,5 @@
- // { dg-do compile }
- // { dg-options "-std=gnu++11" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2015-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/18_support/nested_exception/cons.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/18_support/nested_exception/cons.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/18_support/nested_exception/cons.cc
-@@ -1,5 +1,4 @@
- // { dg-options "-std=gnu++11" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/18_support/nested_exception/nested_ptr.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/18_support/nested_exception/nested_ptr.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/18_support/nested_exception/nested_ptr.cc
-@@ -1,5 +1,4 @@
- // { dg-options "-std=gnu++11" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/18_support/nested_exception/rethrow_if_nested.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/18_support/nested_exception/rethrow_if_nested.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/18_support/nested_exception/rethrow_if_nested.cc
-@@ -1,5 +1,4 @@
- // { dg-options "-std=gnu++11" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/18_support/nested_exception/rethrow_nested.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/18_support/nested_exception/rethrow_nested.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/18_support/nested_exception/rethrow_nested.cc
-@@ -1,5 +1,4 @@
- // { dg-options "-std=gnu++11" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/18_support/nested_exception/throw_with_nested.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/18_support/nested_exception/throw_with_nested.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/18_support/nested_exception/throw_with_nested.cc
-@@ -1,5 +1,4 @@
- // { dg-options "-std=gnu++11" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/async/42819.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/async/42819.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/async/42819.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2010-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/async/49668.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/async/49668.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/async/49668.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2011-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/async/54297.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/async/54297.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/async/54297.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- // { dg-require-sleep "" }
- 
- // Copyright (C) 2012-2016 Free Software Foundation, Inc.
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/async/any.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/async/any.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/async/any.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2010-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/async/async.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/async/async.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/async/async.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2010-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/async/except.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/async/except.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/async/except.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2010-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/async/forced_unwind.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/async/forced_unwind.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/async/forced_unwind.cc
-@@ -2,7 +2,6 @@
- // { dg-options " -std=gnu++11 -pthread" { target *-*-linux* *-*-gnu* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2014-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/async/launch.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/async/launch.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/async/launch.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2011-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/async/lwg2021.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/async/lwg2021.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/async/lwg2021.cc
-@@ -21,7 +21,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // LWG 2021. Further incorrect usages of result_of
- // Arguments to result_of should use decay.
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/async/sync.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/async/sync.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/async/sync.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2010-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/cons/assign_neg.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/future/cons/assign_neg.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/cons/assign_neg.cc
-@@ -2,7 +2,6 @@
- // { dg-options "-std=gnu++11" }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/cons/constexpr.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/future/cons/constexpr.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/cons/constexpr.cc
-@@ -2,7 +2,6 @@
- // { dg-options "-std=gnu++11 -fno-inline -g0" }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- // { dg-final { scan-assembler-not "_ZNSt6futureIvEC2Ev" } }
- // { dg-final { scan-assembler-not "_ZNSt6futureIiEC2Ev" } }
- 
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/cons/copy_neg.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/future/cons/copy_neg.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/cons/copy_neg.cc
-@@ -2,7 +2,6 @@
- // { dg-options "-std=gnu++11" }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/cons/default.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/future/cons/default.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/cons/default.cc
-@@ -1,7 +1,6 @@
- // { dg-options "-std=gnu++11" }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2010-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/cons/move.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/future/cons/move.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/cons/move.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/cons/move_assign.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/future/cons/move_assign.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/cons/move_assign.cc
-@@ -1,7 +1,6 @@
- // { dg-options "-std=gnu++11" }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2010-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/members/45133.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/future/members/45133.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/members/45133.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2010-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/members/get.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/future/members/get.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/members/get.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/members/get2.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/future/members/get2.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/members/get2.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/members/share.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/future/members/share.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/members/share.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2011-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/members/valid.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/future/members/valid.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/members/valid.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2010-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/members/wait.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/future/members/wait.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/members/wait.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/members/wait_for.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/future/members/wait_for.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/members/wait_for.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/members/wait_until.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/future/members/wait_until.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/members/wait_until.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/requirements/explicit_instantiation.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/future/requirements/explicit_instantiation.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/future/requirements/explicit_instantiation.cc
-@@ -2,7 +2,6 @@
- // { dg-options "-std=gnu++11" }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/headers/future/types_std_c++0x.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/headers/future/types_std_c++0x.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/headers/future/types_std_c++0x.cc
-@@ -2,7 +2,6 @@
- // { dg-options "-std=gnu++11" }
- // { dg-require-cstdint "" } 
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/49668.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/packaged_task/49668.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/49668.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2011-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/60564.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/packaged_task/60564.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/60564.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2014-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/cons/1.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/packaged_task/cons/1.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/cons/1.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/cons/2.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/packaged_task/cons/2.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/cons/2.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/cons/3.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/packaged_task/cons/3.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/cons/3.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2011-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/cons/56492.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/packaged_task/cons/56492.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/cons/56492.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2013-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/cons/alloc.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/packaged_task/cons/alloc.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/cons/alloc.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2010-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/cons/alloc2.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/packaged_task/cons/alloc2.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/cons/alloc2.cc
-@@ -2,7 +2,6 @@
- // { dg-options "-std=gnu++11" }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2011-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/cons/alloc_min.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/packaged_task/cons/alloc_min.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/cons/alloc_min.cc
-@@ -2,7 +2,6 @@
- // { dg-options "-std=gnu++11" }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2011-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/cons/assign_neg.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/packaged_task/cons/assign_neg.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/cons/assign_neg.cc
-@@ -2,7 +2,6 @@
- // { dg-options "-std=gnu++11" }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/cons/copy_neg.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/packaged_task/cons/copy_neg.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/cons/copy_neg.cc
-@@ -2,7 +2,6 @@
- // { dg-options "-std=gnu++11" }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/cons/move.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/packaged_task/cons/move.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/cons/move.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/cons/move_assign.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/packaged_task/cons/move_assign.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/cons/move_assign.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/forced_unwind.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/packaged_task/forced_unwind.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/forced_unwind.cc
-@@ -2,7 +2,6 @@
- // { dg-options " -std=gnu++11 -pthread" { target *-*-linux* *-*-gnu* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2014-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/members/at_thread_exit.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/packaged_task/members/at_thread_exit.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/members/at_thread_exit.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2014-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/members/get_future.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/packaged_task/members/get_future.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/members/get_future.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/members/get_future2.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/packaged_task/members/get_future2.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/members/get_future2.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke2.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke2.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke2.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke3.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke3.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke3.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke4.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke4.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke4.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke5.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke5.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke5.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/members/reset.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/packaged_task/members/reset.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/members/reset.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/members/reset2.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/packaged_task/members/reset2.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/members/reset2.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/members/swap.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/packaged_task/members/swap.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/members/swap.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/members/valid.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/packaged_task/members/valid.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/members/valid.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2011-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/requirements/explicit_instantiation.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/packaged_task/requirements/explicit_instantiation.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/requirements/explicit_instantiation.cc
-@@ -2,7 +2,6 @@
- // { dg-options "-std=gnu++11" }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/uses_allocator.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/packaged_task/uses_allocator.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/packaged_task/uses_allocator.cc
-@@ -2,7 +2,6 @@
- // { dg-options "-std=gnu++11" }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2011-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/60966.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/promise/60966.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/60966.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2014-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/69106.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/promise/69106.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/69106.cc
-@@ -19,7 +19,6 @@
- // { dg-options "-std=gnu++11" }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- #include <future>
- 
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/cons/1.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/promise/cons/1.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/cons/1.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/cons/alloc.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/promise/cons/alloc.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/cons/alloc.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2010-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/cons/alloc2.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/promise/cons/alloc2.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/cons/alloc2.cc
-@@ -2,7 +2,6 @@
- // { dg-options "-std=gnu++11" }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2011-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/cons/alloc_min.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/promise/cons/alloc_min.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/cons/alloc_min.cc
-@@ -2,7 +2,6 @@
- // { dg-options "-std=gnu++11" }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2011-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/cons/assign_neg.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/promise/cons/assign_neg.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/cons/assign_neg.cc
-@@ -2,7 +2,6 @@
- // { dg-options "-std=gnu++11" }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/cons/copy_neg.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/promise/cons/copy_neg.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/cons/copy_neg.cc
-@@ -2,7 +2,6 @@
- // { dg-options "-std=gnu++11" }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/cons/move.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/promise/cons/move.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/cons/move.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/cons/move_assign.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/promise/cons/move_assign.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/cons/move_assign.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/members/at_thread_exit.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/promise/members/at_thread_exit.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/members/at_thread_exit.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2014-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/members/get_future.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/promise/members/get_future.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/members/get_future.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/members/get_future2.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/promise/members/get_future2.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/members/get_future2.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/members/set_exception.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/promise/members/set_exception.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/members/set_exception.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/members/set_exception2.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/promise/members/set_exception2.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/members/set_exception2.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/members/set_value.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/promise/members/set_value.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/members/set_value.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/members/set_value2.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/promise/members/set_value2.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/members/set_value2.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/members/set_value3.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/promise/members/set_value3.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/members/set_value3.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/members/swap.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/promise/members/swap.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/members/swap.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/requirements/explicit_instantiation.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/promise/requirements/explicit_instantiation.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/requirements/explicit_instantiation.cc
-@@ -2,7 +2,6 @@
- // { dg-options "-std=gnu++11" }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/uses_allocator.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/promise/uses_allocator.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/promise/uses_allocator.cc
-@@ -2,7 +2,6 @@
- // { dg-options "-std=gnu++11" }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2011-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/shared_future/cons/assign.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/shared_future/cons/assign.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/shared_future/cons/assign.cc
-@@ -1,7 +1,6 @@
- // { dg-options "-std=gnu++11" }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2010-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/shared_future/cons/constexpr.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/shared_future/cons/constexpr.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/shared_future/cons/constexpr.cc
-@@ -2,7 +2,6 @@
- // { dg-options "-std=gnu++11 -fno-inline -g0" }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- // { dg-final { scan-assembler-not "_ZNSt13shared_futureIvEC2Ev" } }
- // { dg-final { scan-assembler-not "_ZNSt13shared_futureIiEC2Ev" } }
- 
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/shared_future/cons/copy.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/shared_future/cons/copy.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/shared_future/cons/copy.cc
-@@ -2,7 +2,6 @@
- // { dg-options "-std=gnu++11" }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/shared_future/cons/default.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/shared_future/cons/default.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/shared_future/cons/default.cc
-@@ -1,7 +1,6 @@
- // { dg-options "-std=gnu++11" }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2010-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/shared_future/cons/move.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/shared_future/cons/move.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/shared_future/cons/move.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/shared_future/cons/move_assign.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/shared_future/cons/move_assign.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/shared_future/cons/move_assign.cc
-@@ -1,7 +1,6 @@
- // { dg-options "-std=gnu++11" }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2010-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/shared_future/members/45133.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/shared_future/members/45133.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/shared_future/members/45133.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2010-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/shared_future/members/get.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/shared_future/members/get.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/shared_future/members/get.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/shared_future/members/get2.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/shared_future/members/get2.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/shared_future/members/get2.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/shared_future/members/valid.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/shared_future/members/valid.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/shared_future/members/valid.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2010-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/shared_future/members/wait.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/shared_future/members/wait.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/shared_future/members/wait.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/shared_future/members/wait_for.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/shared_future/members/wait_for.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/shared_future/members/wait_for.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/shared_future/members/wait_until.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/shared_future/members/wait_until.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/shared_future/members/wait_until.cc
-@@ -4,7 +4,6 @@
- // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/testsuite/30_threads/shared_future/requirements/explicit_instantiation.cc
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/testsuite/30_threads/shared_future/requirements/explicit_instantiation.cc
-+++ gcc-6.3.0/libstdc++-v3/testsuite/30_threads/shared_future/requirements/explicit_instantiation.cc
-@@ -2,7 +2,6 @@
- // { dg-options "-std=gnu++11" }
- // { dg-require-cstdint "" }
- // { dg-require-gthreads "" }
--// { dg-require-atomic-builtins "" }
- 
- // Copyright (C) 2009-2016 Free Software Foundation, Inc.
- //
-Index: gcc-6.3.0/libstdc++-v3/ChangeLog
-===================================================================
---- gcc-6.3.0.orig/libstdc++-v3/ChangeLog
-+++ gcc-6.3.0/libstdc++-v3/ChangeLog
-@@ -2,6 +2,43 @@
- 
- 	* GCC 6.3.0 released.
- 
-+2017-01-04  Pauli Nieminen  <suokkos@gmail.com>
-+           Jonathan Wakely  <jwakely@redhat.com>
-+
-+       PR libstdc++/64735
-+       * acinclude.m4 (GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER): Define.
-+       * config.h.in: Regenerate.
-+       * config/abi/pre/gnu.ver [HAVE_EXCEPTION_PTR_SINCE_GCC46]
-+       (GLIBCXX_3.4.15, GLIBCXX_3.4.21, CXXABI_1.3.3, CXXABI_1.3.5): Make
-+       exports for exception_ptr, nested_exception, and future conditional.
-+       [HAVE_EXCEPTION_PTR_SINCE_GCC46] (GLIBCXX_3.4.23, CXXABI_1.3.11): Add
-+       exports for exception_ptr, nested_exception, and future conditional.
-+       * configure: Regenerate.
-+       * configure.ac: Use GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER.
-+       * include/std/future: Remove check for ATOMIC_INT_LOCK_FREE
-+       * libsupc++/eh_atomics.h: New file for internal use only.
-+       (__eh_atomic_inc, __eh_atomic_dec): New.
-+       * libsupc++/eh_ptr.cc (exception_ptr::_M_addref)
-+       (exception_ptr::_M_release) (__gxx_dependent_exception_cleanup)
-+       (rethrow_exception): Use eh_atomics.h reference counting helpers.
-+       * libsupc++/eh_throw.cc (__gxx_exception_cleanup): Likewise.
-+       * libsupc++/eh_tm.cc (free_any_cxa_exception): Likewise.
-+       * libsupc++/exception: Remove check for ATOMIC_INT_LOCK_FREE.
-+       * libsupc++/exception_ptr.h: Likewise.
-+       * libsupc++/guard.cc: Include header for ATOMIC_INT_LOCK_FREE macro.
-+       * libsupc++/nested_exception.cc: Remove check for
-+       ATOMIC_INT_LOCK_FREE.
-+       * libsupc++/nested_exception.h: Likewise.
-+       * src/c++11/future.cc: Likewise.
-+       * testsuite/18_support/exception_ptr/*: Remove atomic builtins checks.
-+       * testsuite/18_support/nested_exception/*: Likewise.
-+       * testsuite/30_threads/async/*: Likewise.
-+       * testsuite/30_threads/future/*: Likewise.
-+       * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
-+       * testsuite/30_threads/packaged_task/*: Likewise.
-+       * testsuite/30_threads/promise/*: Likewise.
-+       * testsuite/30_threads/shared_future/*: Likewise.
-+
- 2016-12-12  Jonathan Wakely  <jwakely@redhat.com>
- 
- 	Backport from mainline