diff options
Diffstat (limited to 'meta-phosphor/common/recipes-devtools/gcc/gcc_6.2/0001-Support-exception-propagation-without-lock-free-atom.patch')
-rw-r--r-- | meta-phosphor/common/recipes-devtools/gcc/gcc_6.2/0001-Support-exception-propagation-without-lock-free-atom.patch | 2011 |
1 files changed, 0 insertions, 2011 deletions
diff --git a/meta-phosphor/common/recipes-devtools/gcc/gcc_6.2/0001-Support-exception-propagation-without-lock-free-atom.patch b/meta-phosphor/common/recipes-devtools/gcc/gcc_6.2/0001-Support-exception-propagation-without-lock-free-atom.patch deleted file mode 100644 index 597be3296..000000000 --- a/meta-phosphor/common/recipes-devtools/gcc/gcc_6.2/0001-Support-exception-propagation-without-lock-free-atom.patch +++ /dev/null @@ -1,2011 +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 - -diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog -index 3e8f33c..cb70bd2 100644 ---- a/libstdc++-v3/ChangeLog -+++ b/libstdc++-v3/ChangeLog -@@ -1,4 +1,40 @@ --2016-08-22 Release Manager -+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. -+ - - * GCC 6.2.0 released. - -diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4 -index b0f88cb..8341769 100644 ---- a/libstdc++-v3/acinclude.m4 -+++ b/libstdc++-v3/acinclude.m4 -@@ -4419,6 +4419,43 @@ 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]) -diff --git a/libstdc++-v3/config.h.in b/libstdc++-v3/config.h.in -index 701d479..cc7dbe5 100644 ---- a/libstdc++-v3/config.h.in -+++ b/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 - -diff --git a/libstdc++-v3/config/abi/pre/gnu.ver b/libstdc++-v3/config/abi/pre/gnu.ver -index 5c6b0fe..f0a5732 100644 ---- a/libstdc++-v3/config/abi/pre/gnu.ver -+++ b/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; - -diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure -index 41797a9..7830085 100755 ---- a/libstdc++-v3/configure -+++ b/libstdc++-v3/configure -@@ -80509,6 +80509,55 @@ _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 -diff --git a/libstdc++-v3/configure.ac b/libstdc++-v3/configure.ac -index 9e19e99..7dbb758 100644 ---- a/libstdc++-v3/configure.ac -+++ b/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 -diff --git a/libstdc++-v3/include/std/future b/libstdc++-v3/include/std/future -index 80b7b06..7a16bf8 100644 ---- a/libstdc++-v3/include/std/future -+++ b/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 -diff --git a/libstdc++-v3/libsupc++/eh_atomics.h b/libstdc++-v3/libsupc++/eh_atomics.h -new file mode 100644 -index 0000000..71b42a4 ---- /dev/null -+++ b/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 -diff --git a/libstdc++-v3/libsupc++/eh_ptr.cc b/libstdc++-v3/libsupc++/eh_ptr.cc -index 3b8e0a01..bb68656 100644 ---- a/libstdc++-v3/libsupc++/eh_ptr.cc -+++ b/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_addref() _GLIBCXX_USE_NOEXCEPT - { - __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_release() _GLIBCXX_USE_NOEXCEPT - { - __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(_Unwind_Reason_Code code, - - __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_ptr ep) - - __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_ptr ep) - } - - #undef _GLIBCXX_EH_PTR_COMPAT -- --#endif -diff --git a/libstdc++-v3/libsupc++/eh_throw.cc b/libstdc++-v3/libsupc++/eh_throw.cc -index 9aac218..2bd4780 100644 ---- a/libstdc++-v3/libsupc++/eh_throw.cc -+++ b/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_Code code, _Unwind_Exception *exc) - 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 - } - - -diff --git a/libstdc++-v3/libsupc++/eh_tm.cc b/libstdc++-v3/libsupc++/eh_tm.cc -index c05f611..85ae46c 100644 ---- a/libstdc++-v3/libsupc++/eh_tm.cc -+++ b/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_Exception *eo) - __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); - } - -diff --git a/libstdc++-v3/libsupc++/exception b/libstdc++-v3/libsupc++/exception -index 63631f6..22cffd6 100644 ---- a/libstdc++-v3/libsupc++/exception -+++ b/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 -diff --git a/libstdc++-v3/libsupc++/exception_ptr.h b/libstdc++-v3/libsupc++/exception_ptr.h -index 783e539..3429b57 100644 ---- a/libstdc++-v3/libsupc++/exception_ptr.h -+++ b/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 -diff --git a/libstdc++-v3/libsupc++/guard.cc b/libstdc++-v3/libsupc++/guard.cc -index 9b61799..66edffb 100644 ---- a/libstdc++-v3/libsupc++/guard.cc -+++ b/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> -diff --git a/libstdc++-v3/libsupc++/nested_exception.cc b/libstdc++-v3/libsupc++/nested_exception.cc -index c1a7b7a..82dddb1 100644 ---- a/libstdc++-v3/libsupc++/nested_exception.cc -+++ b/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 -diff --git a/libstdc++-v3/libsupc++/nested_exception.h b/libstdc++-v3/libsupc++/nested_exception.h -index 377b803..b9c6baa 100644 ---- a/libstdc++-v3/libsupc++/nested_exception.h -+++ b/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 -diff --git a/libstdc++-v3/src/c++11/future.cc b/libstdc++-v3/src/c++11/future.cc -index 7809a37..a14051a 100644 ---- a/libstdc++-v3/src/c++11/future.cc -+++ b/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; -diff --git a/libstdc++-v3/testsuite/18_support/exception_ptr/40296.cc b/libstdc++-v3/testsuite/18_support/exception_ptr/40296.cc -index 23d8fed..9e866d6 100644 ---- a/libstdc++-v3/testsuite/18_support/exception_ptr/40296.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/18_support/exception_ptr/60612-terminate.cc b/libstdc++-v3/testsuite/18_support/exception_ptr/60612-terminate.cc -index de5ed4a..01faaa2 100644 ---- a/libstdc++-v3/testsuite/18_support/exception_ptr/60612-terminate.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/18_support/exception_ptr/60612-unexpected.cc b/libstdc++-v3/testsuite/18_support/exception_ptr/60612-unexpected.cc -index 14f6ffe..e507262 100644 ---- a/libstdc++-v3/testsuite/18_support/exception_ptr/60612-unexpected.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/18_support/exception_ptr/62258.cc b/libstdc++-v3/testsuite/18_support/exception_ptr/62258.cc -index a714aa3..81f9ab7 100644 ---- a/libstdc++-v3/testsuite/18_support/exception_ptr/62258.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/18_support/exception_ptr/64241.cc b/libstdc++-v3/testsuite/18_support/exception_ptr/64241.cc -index 25002d5..f9d6fb6 100644 ---- a/libstdc++-v3/testsuite/18_support/exception_ptr/64241.cc -+++ b/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> -diff --git a/libstdc++-v3/testsuite/18_support/exception_ptr/current_exception.cc b/libstdc++-v3/testsuite/18_support/exception_ptr/current_exception.cc -index 47d521b..497b63d 100644 ---- a/libstdc++-v3/testsuite/18_support/exception_ptr/current_exception.cc -+++ b/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> - -diff --git a/libstdc++-v3/testsuite/18_support/exception_ptr/lifespan.cc b/libstdc++-v3/testsuite/18_support/exception_ptr/lifespan.cc -index bf4f4ab..25b8e41 100644 ---- a/libstdc++-v3/testsuite/18_support/exception_ptr/lifespan.cc -+++ b/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> - -diff --git a/libstdc++-v3/testsuite/18_support/exception_ptr/make_exception_ptr.cc b/libstdc++-v3/testsuite/18_support/exception_ptr/make_exception_ptr.cc -index 0ea80b1..d0076dc 100644 ---- a/libstdc++-v3/testsuite/18_support/exception_ptr/make_exception_ptr.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/18_support/exception_ptr/move.cc b/libstdc++-v3/testsuite/18_support/exception_ptr/move.cc -index 762e3dc..20a0d01 100644 ---- a/libstdc++-v3/testsuite/18_support/exception_ptr/move.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/18_support/exception_ptr/requirements.cc b/libstdc++-v3/testsuite/18_support/exception_ptr/requirements.cc -index ec016ca..a326bdd 100644 ---- a/libstdc++-v3/testsuite/18_support/exception_ptr/requirements.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/18_support/exception_ptr/requirements_neg.cc b/libstdc++-v3/testsuite/18_support/exception_ptr/requirements_neg.cc -index d5f7c91..8d6d274 100644 ---- a/libstdc++-v3/testsuite/18_support/exception_ptr/requirements_neg.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/18_support/exception_ptr/rethrow_exception.cc b/libstdc++-v3/testsuite/18_support/exception_ptr/rethrow_exception.cc -index 2afe03d..65fd6ea 100644 ---- a/libstdc++-v3/testsuite/18_support/exception_ptr/rethrow_exception.cc -+++ b/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> - -diff --git a/libstdc++-v3/testsuite/18_support/nested_exception/51438.cc b/libstdc++-v3/testsuite/18_support/nested_exception/51438.cc -index cfabf66..046db76 100644 ---- a/libstdc++-v3/testsuite/18_support/nested_exception/51438.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/18_support/nested_exception/62154.cc b/libstdc++-v3/testsuite/18_support/nested_exception/62154.cc -index 4af2b1f..a9aa587 100644 ---- a/libstdc++-v3/testsuite/18_support/nested_exception/62154.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/18_support/nested_exception/68139.cc b/libstdc++-v3/testsuite/18_support/nested_exception/68139.cc -index 6be7ec1..18fbc59 100644 ---- a/libstdc++-v3/testsuite/18_support/nested_exception/68139.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/18_support/nested_exception/cons.cc b/libstdc++-v3/testsuite/18_support/nested_exception/cons.cc -index 25437d9..30e2c32 100644 ---- a/libstdc++-v3/testsuite/18_support/nested_exception/cons.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/18_support/nested_exception/nested_ptr.cc b/libstdc++-v3/testsuite/18_support/nested_exception/nested_ptr.cc -index 9adb7ee..1382ffe 100644 ---- a/libstdc++-v3/testsuite/18_support/nested_exception/nested_ptr.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/18_support/nested_exception/rethrow_if_nested.cc b/libstdc++-v3/testsuite/18_support/nested_exception/rethrow_if_nested.cc -index d98a082..e0a49ea 100644 ---- a/libstdc++-v3/testsuite/18_support/nested_exception/rethrow_if_nested.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/18_support/nested_exception/rethrow_nested.cc b/libstdc++-v3/testsuite/18_support/nested_exception/rethrow_nested.cc -index 6487efa..7fa0015 100644 ---- a/libstdc++-v3/testsuite/18_support/nested_exception/rethrow_nested.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/18_support/nested_exception/throw_with_nested.cc b/libstdc++-v3/testsuite/18_support/nested_exception/throw_with_nested.cc -index 5579cc0..4acff59 100644 ---- a/libstdc++-v3/testsuite/18_support/nested_exception/throw_with_nested.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/async/42819.cc b/libstdc++-v3/testsuite/30_threads/async/42819.cc -index fd00759..d46c9b0 100644 ---- a/libstdc++-v3/testsuite/30_threads/async/42819.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/async/49668.cc b/libstdc++-v3/testsuite/30_threads/async/49668.cc -index f912bdd..99de898 100644 ---- a/libstdc++-v3/testsuite/30_threads/async/49668.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/async/54297.cc b/libstdc++-v3/testsuite/30_threads/async/54297.cc -index 2462a99..adf1d19 100644 ---- a/libstdc++-v3/testsuite/30_threads/async/54297.cc -+++ b/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. -diff --git a/libstdc++-v3/testsuite/30_threads/async/any.cc b/libstdc++-v3/testsuite/30_threads/async/any.cc -index 552b6e7..ee6a9a7 100644 ---- a/libstdc++-v3/testsuite/30_threads/async/any.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/async/async.cc b/libstdc++-v3/testsuite/30_threads/async/async.cc -index b8f2d5a..f8e24b6 100644 ---- a/libstdc++-v3/testsuite/30_threads/async/async.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/async/except.cc b/libstdc++-v3/testsuite/30_threads/async/except.cc -index fd9d628..36f9e57 100644 ---- a/libstdc++-v3/testsuite/30_threads/async/except.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/async/forced_unwind.cc b/libstdc++-v3/testsuite/30_threads/async/forced_unwind.cc -index 9e56095..5bd902a 100644 ---- a/libstdc++-v3/testsuite/30_threads/async/forced_unwind.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/async/launch.cc b/libstdc++-v3/testsuite/30_threads/async/launch.cc -index 3b04f88..aa789f2 100644 ---- a/libstdc++-v3/testsuite/30_threads/async/launch.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/async/lwg2021.cc b/libstdc++-v3/testsuite/30_threads/async/lwg2021.cc -index ea21083..fb2ca6a 100644 ---- a/libstdc++-v3/testsuite/30_threads/async/lwg2021.cc -+++ b/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. -diff --git a/libstdc++-v3/testsuite/30_threads/async/sync.cc b/libstdc++-v3/testsuite/30_threads/async/sync.cc -index b2f7588..80de8e1 100644 ---- a/libstdc++-v3/testsuite/30_threads/async/sync.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/future/cons/assign_neg.cc b/libstdc++-v3/testsuite/30_threads/future/cons/assign_neg.cc -index 5eded61..a5e52ea 100644 ---- a/libstdc++-v3/testsuite/30_threads/future/cons/assign_neg.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/future/cons/constexpr.cc b/libstdc++-v3/testsuite/30_threads/future/cons/constexpr.cc -index ebfacee..96d8f63 100644 ---- a/libstdc++-v3/testsuite/30_threads/future/cons/constexpr.cc -+++ b/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" } } - -diff --git a/libstdc++-v3/testsuite/30_threads/future/cons/copy_neg.cc b/libstdc++-v3/testsuite/30_threads/future/cons/copy_neg.cc -index 5146eb8..f92d157 100644 ---- a/libstdc++-v3/testsuite/30_threads/future/cons/copy_neg.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/future/cons/default.cc b/libstdc++-v3/testsuite/30_threads/future/cons/default.cc -index bd22ff1..c46df93 100644 ---- a/libstdc++-v3/testsuite/30_threads/future/cons/default.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/future/cons/move.cc b/libstdc++-v3/testsuite/30_threads/future/cons/move.cc -index 1f92177..157a0d3 100644 ---- a/libstdc++-v3/testsuite/30_threads/future/cons/move.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/future/cons/move_assign.cc b/libstdc++-v3/testsuite/30_threads/future/cons/move_assign.cc -index 21b9a09..c1f204a 100644 ---- a/libstdc++-v3/testsuite/30_threads/future/cons/move_assign.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/future/members/45133.cc b/libstdc++-v3/testsuite/30_threads/future/members/45133.cc -index 35fbdb7..d013bf0 100644 ---- a/libstdc++-v3/testsuite/30_threads/future/members/45133.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/future/members/get.cc b/libstdc++-v3/testsuite/30_threads/future/members/get.cc -index 984fbe3..4d84396 100644 ---- a/libstdc++-v3/testsuite/30_threads/future/members/get.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/future/members/get2.cc b/libstdc++-v3/testsuite/30_threads/future/members/get2.cc -index e8683f8..c3cacdf 100644 ---- a/libstdc++-v3/testsuite/30_threads/future/members/get2.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/future/members/share.cc b/libstdc++-v3/testsuite/30_threads/future/members/share.cc -index 0992fc0..96662fd 100644 ---- a/libstdc++-v3/testsuite/30_threads/future/members/share.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/future/members/valid.cc b/libstdc++-v3/testsuite/30_threads/future/members/valid.cc -index 2bb9b11..4b56fe5 100644 ---- a/libstdc++-v3/testsuite/30_threads/future/members/valid.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/future/members/wait.cc b/libstdc++-v3/testsuite/30_threads/future/members/wait.cc -index 7782871..1b4134e 100644 ---- a/libstdc++-v3/testsuite/30_threads/future/members/wait.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/future/members/wait_for.cc b/libstdc++-v3/testsuite/30_threads/future/members/wait_for.cc -index b7bd874..77f9c38 100644 ---- a/libstdc++-v3/testsuite/30_threads/future/members/wait_for.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/future/members/wait_until.cc b/libstdc++-v3/testsuite/30_threads/future/members/wait_until.cc -index 1ce7118..816411f 100644 ---- a/libstdc++-v3/testsuite/30_threads/future/members/wait_until.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/future/requirements/explicit_instantiation.cc b/libstdc++-v3/testsuite/30_threads/future/requirements/explicit_instantiation.cc -index 95ddf4d..8ab100a 100644 ---- a/libstdc++-v3/testsuite/30_threads/future/requirements/explicit_instantiation.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/headers/future/types_std_c++0x.cc b/libstdc++-v3/testsuite/30_threads/headers/future/types_std_c++0x.cc -index ccd85ab..c596685 100644 ---- a/libstdc++-v3/testsuite/30_threads/headers/future/types_std_c++0x.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/packaged_task/49668.cc b/libstdc++-v3/testsuite/30_threads/packaged_task/49668.cc -index 46ab3d5..a492de1 100644 ---- a/libstdc++-v3/testsuite/30_threads/packaged_task/49668.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/packaged_task/60564.cc b/libstdc++-v3/testsuite/30_threads/packaged_task/60564.cc -index 6021fdb..bc828cb 100644 ---- a/libstdc++-v3/testsuite/30_threads/packaged_task/60564.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/packaged_task/cons/1.cc b/libstdc++-v3/testsuite/30_threads/packaged_task/cons/1.cc -index 919f136..45ede56 100644 ---- a/libstdc++-v3/testsuite/30_threads/packaged_task/cons/1.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/packaged_task/cons/2.cc b/libstdc++-v3/testsuite/30_threads/packaged_task/cons/2.cc -index 0611d8a..ff53be1 100644 ---- a/libstdc++-v3/testsuite/30_threads/packaged_task/cons/2.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/packaged_task/cons/3.cc b/libstdc++-v3/testsuite/30_threads/packaged_task/cons/3.cc -index 11203d5..a08a85e 100644 ---- a/libstdc++-v3/testsuite/30_threads/packaged_task/cons/3.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/packaged_task/cons/56492.cc b/libstdc++-v3/testsuite/30_threads/packaged_task/cons/56492.cc -index 0338f98..48de913 100644 ---- a/libstdc++-v3/testsuite/30_threads/packaged_task/cons/56492.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/packaged_task/cons/alloc.cc b/libstdc++-v3/testsuite/30_threads/packaged_task/cons/alloc.cc -index 83c5d9f..640d269 100644 ---- a/libstdc++-v3/testsuite/30_threads/packaged_task/cons/alloc.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/packaged_task/cons/alloc2.cc b/libstdc++-v3/testsuite/30_threads/packaged_task/cons/alloc2.cc -index b53fd8d..ea9b147 100644 ---- a/libstdc++-v3/testsuite/30_threads/packaged_task/cons/alloc2.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/packaged_task/cons/alloc_min.cc b/libstdc++-v3/testsuite/30_threads/packaged_task/cons/alloc_min.cc -index deacad1..ca22639 100644 ---- a/libstdc++-v3/testsuite/30_threads/packaged_task/cons/alloc_min.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/packaged_task/cons/assign_neg.cc b/libstdc++-v3/testsuite/30_threads/packaged_task/cons/assign_neg.cc -index dd40133..4517dc4 100644 ---- a/libstdc++-v3/testsuite/30_threads/packaged_task/cons/assign_neg.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/packaged_task/cons/copy_neg.cc b/libstdc++-v3/testsuite/30_threads/packaged_task/cons/copy_neg.cc -index a4e47fd..0b7356d 100644 ---- a/libstdc++-v3/testsuite/30_threads/packaged_task/cons/copy_neg.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/packaged_task/cons/move.cc b/libstdc++-v3/testsuite/30_threads/packaged_task/cons/move.cc -index cb1d8e0..99c2123 100644 ---- a/libstdc++-v3/testsuite/30_threads/packaged_task/cons/move.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/packaged_task/cons/move_assign.cc b/libstdc++-v3/testsuite/30_threads/packaged_task/cons/move_assign.cc -index 8025dbf..ed4bec5 100644 ---- a/libstdc++-v3/testsuite/30_threads/packaged_task/cons/move_assign.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/packaged_task/forced_unwind.cc b/libstdc++-v3/testsuite/30_threads/packaged_task/forced_unwind.cc -index 13be918..2c2c85c 100644 ---- a/libstdc++-v3/testsuite/30_threads/packaged_task/forced_unwind.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/packaged_task/members/at_thread_exit.cc b/libstdc++-v3/testsuite/30_threads/packaged_task/members/at_thread_exit.cc -index b217090..76dfee9 100644 ---- a/libstdc++-v3/testsuite/30_threads/packaged_task/members/at_thread_exit.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/packaged_task/members/get_future.cc b/libstdc++-v3/testsuite/30_threads/packaged_task/members/get_future.cc -index 5fab0de..a5aa5c2 100644 ---- a/libstdc++-v3/testsuite/30_threads/packaged_task/members/get_future.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/packaged_task/members/get_future2.cc b/libstdc++-v3/testsuite/30_threads/packaged_task/members/get_future2.cc -index a343772..68f4e8d 100644 ---- a/libstdc++-v3/testsuite/30_threads/packaged_task/members/get_future2.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke.cc b/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke.cc -index 5e4c038..8d2955e 100644 ---- a/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke2.cc b/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke2.cc -index 3a3d3a3..b003fb7 100644 ---- a/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke2.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke3.cc b/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke3.cc -index a56a895..07dd695 100644 ---- a/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke3.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke4.cc b/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke4.cc -index 080a9a8..012fea3 100644 ---- a/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke4.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke5.cc b/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke5.cc -index be90276..7dfb177 100644 ---- a/libstdc++-v3/testsuite/30_threads/packaged_task/members/invoke5.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/packaged_task/members/reset.cc b/libstdc++-v3/testsuite/30_threads/packaged_task/members/reset.cc -index c7cb184..f08ed64 100644 ---- a/libstdc++-v3/testsuite/30_threads/packaged_task/members/reset.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/packaged_task/members/reset2.cc b/libstdc++-v3/testsuite/30_threads/packaged_task/members/reset2.cc -index aade3db..09597e3 100644 ---- a/libstdc++-v3/testsuite/30_threads/packaged_task/members/reset2.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/packaged_task/members/swap.cc b/libstdc++-v3/testsuite/30_threads/packaged_task/members/swap.cc -index d61256b..975db20 100644 ---- a/libstdc++-v3/testsuite/30_threads/packaged_task/members/swap.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/packaged_task/members/valid.cc b/libstdc++-v3/testsuite/30_threads/packaged_task/members/valid.cc -index 047ffeb..e11411b 100644 ---- a/libstdc++-v3/testsuite/30_threads/packaged_task/members/valid.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/packaged_task/requirements/explicit_instantiation.cc b/libstdc++-v3/testsuite/30_threads/packaged_task/requirements/explicit_instantiation.cc -index 7b7e0f5..37e0676 100644 ---- a/libstdc++-v3/testsuite/30_threads/packaged_task/requirements/explicit_instantiation.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/packaged_task/uses_allocator.cc b/libstdc++-v3/testsuite/30_threads/packaged_task/uses_allocator.cc -index 1c31673..733ed8b 100644 ---- a/libstdc++-v3/testsuite/30_threads/packaged_task/uses_allocator.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/promise/60966.cc b/libstdc++-v3/testsuite/30_threads/promise/60966.cc -index 663075a..37fb84a 100644 ---- a/libstdc++-v3/testsuite/30_threads/promise/60966.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/promise/69106.cc b/libstdc++-v3/testsuite/30_threads/promise/69106.cc -index 921ded1..7130a18 100644 ---- a/libstdc++-v3/testsuite/30_threads/promise/69106.cc -+++ b/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> - -diff --git a/libstdc++-v3/testsuite/30_threads/promise/cons/1.cc b/libstdc++-v3/testsuite/30_threads/promise/cons/1.cc -index 1258483..873d26f 100644 ---- a/libstdc++-v3/testsuite/30_threads/promise/cons/1.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/promise/cons/alloc.cc b/libstdc++-v3/testsuite/30_threads/promise/cons/alloc.cc -index f35b2b7..ca1686c 100644 ---- a/libstdc++-v3/testsuite/30_threads/promise/cons/alloc.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/promise/cons/alloc2.cc b/libstdc++-v3/testsuite/30_threads/promise/cons/alloc2.cc -index c881fc1..a4465c8 100644 ---- a/libstdc++-v3/testsuite/30_threads/promise/cons/alloc2.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/promise/cons/alloc_min.cc b/libstdc++-v3/testsuite/30_threads/promise/cons/alloc_min.cc -index 4c8b24b..fac06a2 100644 ---- a/libstdc++-v3/testsuite/30_threads/promise/cons/alloc_min.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/promise/cons/assign_neg.cc b/libstdc++-v3/testsuite/30_threads/promise/cons/assign_neg.cc -index 018bac3..b4f09e7 100644 ---- a/libstdc++-v3/testsuite/30_threads/promise/cons/assign_neg.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/promise/cons/copy_neg.cc b/libstdc++-v3/testsuite/30_threads/promise/cons/copy_neg.cc -index d0386e2..f359a07 100644 ---- a/libstdc++-v3/testsuite/30_threads/promise/cons/copy_neg.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/promise/cons/move.cc b/libstdc++-v3/testsuite/30_threads/promise/cons/move.cc -index c1699e4..b1f4b52 100644 ---- a/libstdc++-v3/testsuite/30_threads/promise/cons/move.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/promise/cons/move_assign.cc b/libstdc++-v3/testsuite/30_threads/promise/cons/move_assign.cc -index 68debd5..1845298 100644 ---- a/libstdc++-v3/testsuite/30_threads/promise/cons/move_assign.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/promise/members/at_thread_exit.cc b/libstdc++-v3/testsuite/30_threads/promise/members/at_thread_exit.cc -index 1c8469a..b3f8bba 100644 ---- a/libstdc++-v3/testsuite/30_threads/promise/members/at_thread_exit.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/promise/members/get_future.cc b/libstdc++-v3/testsuite/30_threads/promise/members/get_future.cc -index 44c9205..2ec33c7 100644 ---- a/libstdc++-v3/testsuite/30_threads/promise/members/get_future.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/promise/members/get_future2.cc b/libstdc++-v3/testsuite/30_threads/promise/members/get_future2.cc -index 56c3107..fac6267 100644 ---- a/libstdc++-v3/testsuite/30_threads/promise/members/get_future2.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/promise/members/set_exception.cc b/libstdc++-v3/testsuite/30_threads/promise/members/set_exception.cc -index b753c24..bdc0944 100644 ---- a/libstdc++-v3/testsuite/30_threads/promise/members/set_exception.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/promise/members/set_exception2.cc b/libstdc++-v3/testsuite/30_threads/promise/members/set_exception2.cc -index d9850ca..49023cf 100644 ---- a/libstdc++-v3/testsuite/30_threads/promise/members/set_exception2.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/promise/members/set_value.cc b/libstdc++-v3/testsuite/30_threads/promise/members/set_value.cc -index a50a7b8..c29788b 100644 ---- a/libstdc++-v3/testsuite/30_threads/promise/members/set_value.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/promise/members/set_value2.cc b/libstdc++-v3/testsuite/30_threads/promise/members/set_value2.cc -index 9c308c5..5306644 100644 ---- a/libstdc++-v3/testsuite/30_threads/promise/members/set_value2.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/promise/members/set_value3.cc b/libstdc++-v3/testsuite/30_threads/promise/members/set_value3.cc -index 16f2b3d..1f170cb 100644 ---- a/libstdc++-v3/testsuite/30_threads/promise/members/set_value3.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/promise/members/swap.cc b/libstdc++-v3/testsuite/30_threads/promise/members/swap.cc -index 834ce97..4a467d0 100644 ---- a/libstdc++-v3/testsuite/30_threads/promise/members/swap.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/promise/requirements/explicit_instantiation.cc b/libstdc++-v3/testsuite/30_threads/promise/requirements/explicit_instantiation.cc -index 1f7fb88..e30a63f 100644 ---- a/libstdc++-v3/testsuite/30_threads/promise/requirements/explicit_instantiation.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/promise/uses_allocator.cc b/libstdc++-v3/testsuite/30_threads/promise/uses_allocator.cc -index e9ded97..0aef18e 100644 ---- a/libstdc++-v3/testsuite/30_threads/promise/uses_allocator.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/shared_future/cons/assign.cc b/libstdc++-v3/testsuite/30_threads/shared_future/cons/assign.cc -index d0dd9ca..d27fc95 100644 ---- a/libstdc++-v3/testsuite/30_threads/shared_future/cons/assign.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/shared_future/cons/constexpr.cc b/libstdc++-v3/testsuite/30_threads/shared_future/cons/constexpr.cc -index f82e280..8cf6e38 100644 ---- a/libstdc++-v3/testsuite/30_threads/shared_future/cons/constexpr.cc -+++ b/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" } } - -diff --git a/libstdc++-v3/testsuite/30_threads/shared_future/cons/copy.cc b/libstdc++-v3/testsuite/30_threads/shared_future/cons/copy.cc -index 61985d8..1448d6c 100644 ---- a/libstdc++-v3/testsuite/30_threads/shared_future/cons/copy.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/shared_future/cons/default.cc b/libstdc++-v3/testsuite/30_threads/shared_future/cons/default.cc -index d4a8b67..51d22e8 100644 ---- a/libstdc++-v3/testsuite/30_threads/shared_future/cons/default.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/shared_future/cons/move.cc b/libstdc++-v3/testsuite/30_threads/shared_future/cons/move.cc -index 2017f48..ecb9dc4 100644 ---- a/libstdc++-v3/testsuite/30_threads/shared_future/cons/move.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/shared_future/cons/move_assign.cc b/libstdc++-v3/testsuite/30_threads/shared_future/cons/move_assign.cc -index 05852d0..adb9ccd3 100644 ---- a/libstdc++-v3/testsuite/30_threads/shared_future/cons/move_assign.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/shared_future/members/45133.cc b/libstdc++-v3/testsuite/30_threads/shared_future/members/45133.cc -index e9f1566..3e125c6 100644 ---- a/libstdc++-v3/testsuite/30_threads/shared_future/members/45133.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/shared_future/members/get.cc b/libstdc++-v3/testsuite/30_threads/shared_future/members/get.cc -index cfbb83a..dfd60ef 100644 ---- a/libstdc++-v3/testsuite/30_threads/shared_future/members/get.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/shared_future/members/get2.cc b/libstdc++-v3/testsuite/30_threads/shared_future/members/get2.cc -index 1d5a807..7db5d4d 100644 ---- a/libstdc++-v3/testsuite/30_threads/shared_future/members/get2.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/shared_future/members/valid.cc b/libstdc++-v3/testsuite/30_threads/shared_future/members/valid.cc -index 25cd342..80d43b4 100644 ---- a/libstdc++-v3/testsuite/30_threads/shared_future/members/valid.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/shared_future/members/wait.cc b/libstdc++-v3/testsuite/30_threads/shared_future/members/wait.cc -index d4aef51..46bc01e 100644 ---- a/libstdc++-v3/testsuite/30_threads/shared_future/members/wait.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/shared_future/members/wait_for.cc b/libstdc++-v3/testsuite/30_threads/shared_future/members/wait_for.cc -index 929ba87..15bfd1b 100644 ---- a/libstdc++-v3/testsuite/30_threads/shared_future/members/wait_for.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/shared_future/members/wait_until.cc b/libstdc++-v3/testsuite/30_threads/shared_future/members/wait_until.cc -index 52d045d..eebacdd 100644 ---- a/libstdc++-v3/testsuite/30_threads/shared_future/members/wait_until.cc -+++ b/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. - // -diff --git a/libstdc++-v3/testsuite/30_threads/shared_future/requirements/explicit_instantiation.cc b/libstdc++-v3/testsuite/30_threads/shared_future/requirements/explicit_instantiation.cc -index 767131e..69b6a5c 100644 ---- a/libstdc++-v3/testsuite/30_threads/shared_future/requirements/explicit_instantiation.cc -+++ b/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. - // --- -2.7.4 - |