diff options
| author | James Feist <james.feist@linux.intel.com> | 2017-12-14 10:51:39 -0800 |
|---|---|---|
| committer | Brad Bishop <bradleyb@fuzziesquirrel.com> | 2017-12-18 14:11:45 +0000 |
| commit | 61832e963b7b897b4fd13ac18f681ef27f2477e2 (patch) | |
| tree | b98795459ce15f69679ea9deb4a45adc9a876269 | |
| parent | 4f1dc5a9f4316fdfa151eb1f52596feda6a7abbe (diff) | |
| download | talos-openbmc-61832e963b7b897b4fd13ac18f681ef27f2477e2.tar.gz talos-openbmc-61832e963b7b897b4fd13ac18f681ef27f2477e2.zip | |
Add support for c++ futures for armv5te
Some openbmc platforms are using -march=armv5te that has
a known bug with futures. Backport patch to gcc that fixes this
issue.
original gcc git commit: c45be7f1aef92f2ea7363cbc4627f943b83ca902
gcc bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64735
Change-Id: I961b104c3d55c075c13d1b8c95306e71231ca0d1
Signed-off-by: James Feist <james.feist@linux.intel.com>
2 files changed, 2013 insertions, 0 deletions
diff --git a/meta-phosphor/common/recipes-devtools/gcc/gcc-source_6.2.bbappend b/meta-phosphor/common/recipes-devtools/gcc/gcc-source_6.2.bbappend new file mode 100644 index 000000000..b7cb54217 --- /dev/null +++ b/meta-phosphor/common/recipes-devtools/gcc/gcc-source_6.2.bbappend @@ -0,0 +1,2 @@ +FILESEXTRAPATHS_append := "${THISDIR}/gcc_6.2:" +SRC_URI_append = "file://0001-Support-exception-propagation-without-lock-free-atom.patch" 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 new file mode 100644 index 000000000..597be3296 --- /dev/null +++ b/meta-phosphor/common/recipes-devtools/gcc/gcc_6.2/0001-Support-exception-propagation-without-lock-free-atom.patch @@ -0,0 +1,2011 @@ +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 + |
