Remove dg-require-cstdint directive from tests

Tests for components which are no longer dependent on
_GLIBCXX_USE_C99_STDINT_TR1 do not need to require <cstdint>.

	* testsuite/30_threads/recursive_mutex/cons/1.cc: Likewise.
	* testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Likewise.
	* testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Likewise.
	* testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc:
	Likewise.
	* testsuite/30_threads/recursive_mutex/lock/1.cc: Likewise.
	* testsuite/30_threads/recursive_mutex/native_handle/1.cc: Likewise.
	* testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc:
	Likewise.
	* testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc:
	Likewise.
	* testsuite/30_threads/recursive_mutex/requirements/typedefs.cc:
	Likewise.
	* testsuite/30_threads/recursive_mutex/try_lock/1.cc: Likewise.
	* testsuite/30_threads/recursive_mutex/try_lock/2.cc: Likewise.
	* testsuite/30_threads/recursive_mutex/unlock/1.cc: Likewise.
	* testsuite/30_threads/recursive_mutex/unlock/2.cc: Likewise.
	* testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Likewise.
	* testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
	Likewise.
	* testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc:
	Likewise.
	* testsuite/30_threads/recursive_timed_mutex/dest/
	destructor_locked.cc: Likewise.
	* testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise.
	* testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise.
	* testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc:
	Likewise.
	* testsuite/30_threads/recursive_timed_mutex/native_handle/
	typesizes.cc: Likewise.
	* testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc:
	Likewise.
	* testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc:
	Likewise.
	* testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc:
	Likewise.
	* testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc:
	Likewise.
	* testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc:
	Likewise.
	* testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc:
	Likewise.
	* testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc:
	Likewise.
	* testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc:
	Likewise.
	* testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise.
	* testsuite/30_threads/recursive_timed_mutex/unlock/2.cc: Likewise.
	* testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
	* testsuite/30_threads/scoped_lock/requirements/
	explicit_instantiation.cc: Likewise.
	* testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
	* testsuite/30_threads/shared_future/cons/assign.cc: Likewise.
	* testsuite/30_threads/shared_future/cons/constexpr.cc: Likewise.
	* testsuite/30_threads/shared_future/cons/copy.cc: Likewise.
	* testsuite/30_threads/shared_future/cons/default.cc: Likewise.
	* testsuite/30_threads/shared_future/cons/move.cc: Likewise.
	* testsuite/30_threads/shared_future/cons/move_assign.cc: Likewise.
	* testsuite/30_threads/shared_future/members/45133.cc: Likewise.
	* testsuite/30_threads/shared_future/members/get.cc: Likewise.
	* testsuite/30_threads/shared_future/members/get2.cc: Likewise.
	* testsuite/30_threads/shared_future/members/valid.cc: Likewise.
	* testsuite/30_threads/shared_future/members/wait.cc: Likewise.
	* testsuite/30_threads/shared_future/members/wait_for.cc: Likewise.
	* testsuite/30_threads/shared_future/members/wait_until.cc: Likewise.
	* testsuite/30_threads/shared_future/requirements/
	explicit_instantiation.cc: Likewise.
	* testsuite/30_threads/shared_lock/cons/1.cc: Likewise.
	* testsuite/30_threads/shared_lock/cons/2.cc: Likewise.
	* testsuite/30_threads/shared_lock/cons/3.cc: Likewise.
	* testsuite/30_threads/shared_lock/cons/4.cc: Likewise.
	* testsuite/30_threads/shared_lock/cons/5.cc: Likewise.
	* testsuite/30_threads/shared_lock/cons/6.cc: Likewise.
	* testsuite/30_threads/shared_lock/locking/1.cc: Likewise.
	* testsuite/30_threads/shared_lock/locking/2.cc: Likewise.
	* testsuite/30_threads/shared_lock/locking/3.cc: Likewise.
	* testsuite/30_threads/shared_lock/locking/4.cc: Likewise.
	* testsuite/30_threads/shared_lock/modifiers/1.cc: Likewise.
	* testsuite/30_threads/shared_lock/requirements/
	explicit_instantiation.cc: Likewise.
	* testsuite/30_threads/shared_lock/requirements/typedefs.cc: Likewise.
	* testsuite/30_threads/shared_mutex/cons/1.cc: Likewise.
	* testsuite/30_threads/shared_mutex/cons/assign_neg.cc: Likewise.
	* testsuite/30_threads/shared_mutex/cons/copy_neg.cc: Likewise.
	* testsuite/30_threads/shared_mutex/requirements/standard_layout.cc:
	Likewise.
	* testsuite/30_threads/shared_mutex/try_lock/1.cc: Likewise.
	* testsuite/30_threads/shared_mutex/try_lock/2.cc: Likewise.
	* testsuite/30_threads/shared_mutex/unlock/1.cc: Likewise.
	* testsuite/30_threads/shared_timed_mutex/cons/1.cc: Likewise.
	* testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc: Likewise.
	* testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc: Likewise.
	* testsuite/30_threads/shared_timed_mutex/requirements/
	standard_layout.cc: Likewise.
	* testsuite/30_threads/shared_timed_mutex/try_lock/1.cc: Likewise.
	* testsuite/30_threads/shared_timed_mutex/try_lock/2.cc: Likewise.
	* testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: Likewise.
	* testsuite/30_threads/shared_timed_mutex/unlock/1.cc: Likewise.
	* testsuite/30_threads/this_thread/1.cc: Likewise.
	* testsuite/30_threads/this_thread/2.cc: Likewise.
	* testsuite/30_threads/this_thread/3.cc: Likewise.
	* testsuite/30_threads/this_thread/4.cc: Likewise.
	* testsuite/30_threads/this_thread/58038.cc: Likewise.
	* testsuite/30_threads/thread/70503.cc: Likewise.
	* testsuite/30_threads/thread/84532.cc: Likewise.
	* testsuite/30_threads/thread/adl.cc: Likewise.
	* testsuite/30_threads/thread/cons/1.cc: Likewise.
	* testsuite/30_threads/thread/cons/2.cc: Likewise.
	* testsuite/30_threads/thread/cons/3.cc: Likewise.
	* testsuite/30_threads/thread/cons/4.cc: Likewise.
	* testsuite/30_threads/thread/cons/49668.cc: Likewise.
	* testsuite/30_threads/thread/cons/5.cc: Likewise.
	* testsuite/30_threads/thread/cons/6.cc: Likewise.
	* testsuite/30_threads/thread/cons/7.cc: Likewise.
	* testsuite/30_threads/thread/cons/8.cc: Likewise.
	* testsuite/30_threads/thread/cons/84535.cc: Likewise.
	* testsuite/30_threads/thread/cons/9.cc: Likewise.
	* testsuite/30_threads/thread/cons/assign_neg.cc: Likewise.
	* testsuite/30_threads/thread/cons/copy_neg.cc: Likewise.
	* testsuite/30_threads/thread/cons/lwg2097.cc: Likewise.
	* testsuite/30_threads/thread/cons/moveable.cc: Likewise.
	* testsuite/30_threads/thread/cons/terminate.cc: Likewise.
	* testsuite/30_threads/thread/id/operators.cc: Likewise.
	* testsuite/30_threads/thread/members/1.cc: Likewise.
	* testsuite/30_threads/thread/members/2.cc: Likewise.
	* testsuite/30_threads/thread/members/3.cc: Likewise.
	* testsuite/30_threads/thread/members/4.cc: Likewise.
	* testsuite/30_threads/thread/members/5.cc: Likewise.
	* testsuite/30_threads/thread/members/hardware_concurrency.cc:
	Likewise.
	* testsuite/30_threads/thread/native_handle/cancel.cc: Likewise.
	* testsuite/30_threads/thread/swap/1.cc: Likewise.
	* testsuite/30_threads/timed_mutex/cons/1.cc: Likewise.
	* testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
	* testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
	* testsuite/30_threads/timed_mutex/dest/destructor_locked.cc: Likewise.
	* testsuite/30_threads/timed_mutex/lock/1.cc: Likewise.
	* testsuite/30_threads/timed_mutex/native_handle/1.cc: Likewise.
	* testsuite/30_threads/timed_mutex/native_handle/typesizes.cc:
	Likewise.
	* testsuite/30_threads/timed_mutex/requirements/
	standard_layout.cc: Likewise.
	* testsuite/30_threads/timed_mutex/requirements/typedefs.cc: Likewise.
	* testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise.
	* testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise.
	* testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise.
	* testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise.
	* testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise.
	* testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise.
	* testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise.
	* testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Likewise.
	* testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise.
	* testsuite/30_threads/timed_mutex/unlock/2.cc: Likewise.
	* testsuite/30_threads/try_lock/1.cc: Likewise.
	* testsuite/30_threads/try_lock/2.cc: Likewise.
	* testsuite/30_threads/try_lock/3.cc: Likewise.
	* testsuite/30_threads/try_lock/4.cc: Likewise.
	* testsuite/30_threads/unique_lock/cons/1.cc: Likewise.
	* testsuite/30_threads/unique_lock/cons/2.cc: Likewise.
	* testsuite/30_threads/unique_lock/cons/3.cc: Likewise.
	* testsuite/30_threads/unique_lock/cons/4.cc: Likewise.
	* testsuite/30_threads/unique_lock/cons/5.cc: Likewise.
	* testsuite/30_threads/unique_lock/cons/6.cc: Likewise.
	* testsuite/30_threads/unique_lock/locking/1.cc: Likewise.
	* testsuite/30_threads/unique_lock/locking/2.cc: Likewise.
	* testsuite/30_threads/unique_lock/locking/3.cc: Likewise.
	* testsuite/30_threads/unique_lock/locking/4.cc: Likewise.
	* testsuite/30_threads/unique_lock/modifiers/1.cc: Likewise.
	* testsuite/30_threads/unique_lock/requirements/
	explicit_instantiation.cc: Likewise.
	* testsuite/30_threads/unique_lock/requirements/typedefs.cc: Likewise.

From-SVN: r263007

146 files changed, 174 insertions, 145 deletions

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 8f903a1..225b4be 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,5 +1,177 @@
 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
 
+	* testsuite/30_threads/recursive_mutex/cons/1.cc: Likewise.
+	* testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Likewise.
+	* testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Likewise.
+	* testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc:
+	Likewise.
+	* testsuite/30_threads/recursive_mutex/lock/1.cc: Likewise.
+	* testsuite/30_threads/recursive_mutex/native_handle/1.cc: Likewise.
+	* testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc:
+	Likewise.
+	* testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc:
+	Likewise.
+	* testsuite/30_threads/recursive_mutex/requirements/typedefs.cc:
+	Likewise.
+	* testsuite/30_threads/recursive_mutex/try_lock/1.cc: Likewise.
+	* testsuite/30_threads/recursive_mutex/try_lock/2.cc: Likewise.
+	* testsuite/30_threads/recursive_mutex/unlock/1.cc: Likewise.
+	* testsuite/30_threads/recursive_mutex/unlock/2.cc: Likewise.
+	* testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Likewise.
+	* testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
+	Likewise.
+	* testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc:
+	Likewise.
+	* testsuite/30_threads/recursive_timed_mutex/dest/
+	destructor_locked.cc: Likewise.
+	* testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise.
+	* testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise.
+	* testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc:
+	Likewise.
+	* testsuite/30_threads/recursive_timed_mutex/native_handle/
+	typesizes.cc: Likewise.
+	* testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc:
+	Likewise.
+	* testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc:
+	Likewise.
+	* testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc:
+	Likewise.
+	* testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc:
+	Likewise.
+	* testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc:
+	Likewise.
+	* testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc:
+	Likewise.
+	* testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc:
+	Likewise.
+	* testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc:
+	Likewise.
+	* testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise.
+	* testsuite/30_threads/recursive_timed_mutex/unlock/2.cc: Likewise.
+	* testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
+	* testsuite/30_threads/scoped_lock/requirements/
+	explicit_instantiation.cc: Likewise.
+	* testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
+	* testsuite/30_threads/shared_future/cons/assign.cc: Likewise.
+	* testsuite/30_threads/shared_future/cons/constexpr.cc: Likewise.
+	* testsuite/30_threads/shared_future/cons/copy.cc: Likewise.
+	* testsuite/30_threads/shared_future/cons/default.cc: Likewise.
+	* testsuite/30_threads/shared_future/cons/move.cc: Likewise.
+	* testsuite/30_threads/shared_future/cons/move_assign.cc: Likewise.
+	* testsuite/30_threads/shared_future/members/45133.cc: Likewise.
+	* testsuite/30_threads/shared_future/members/get.cc: Likewise.
+	* testsuite/30_threads/shared_future/members/get2.cc: Likewise.
+	* testsuite/30_threads/shared_future/members/valid.cc: Likewise.
+	* testsuite/30_threads/shared_future/members/wait.cc: Likewise.
+	* testsuite/30_threads/shared_future/members/wait_for.cc: Likewise.
+	* testsuite/30_threads/shared_future/members/wait_until.cc: Likewise.
+	* testsuite/30_threads/shared_future/requirements/
+	explicit_instantiation.cc: Likewise.
+	* testsuite/30_threads/shared_lock/cons/1.cc: Likewise.
+	* testsuite/30_threads/shared_lock/cons/2.cc: Likewise.
+	* testsuite/30_threads/shared_lock/cons/3.cc: Likewise.
+	* testsuite/30_threads/shared_lock/cons/4.cc: Likewise.
+	* testsuite/30_threads/shared_lock/cons/5.cc: Likewise.
+	* testsuite/30_threads/shared_lock/cons/6.cc: Likewise.
+	* testsuite/30_threads/shared_lock/locking/1.cc: Likewise.
+	* testsuite/30_threads/shared_lock/locking/2.cc: Likewise.
+	* testsuite/30_threads/shared_lock/locking/3.cc: Likewise.
+	* testsuite/30_threads/shared_lock/locking/4.cc: Likewise.
+	* testsuite/30_threads/shared_lock/modifiers/1.cc: Likewise.
+	* testsuite/30_threads/shared_lock/requirements/
+	explicit_instantiation.cc: Likewise.
+	* testsuite/30_threads/shared_lock/requirements/typedefs.cc: Likewise.
+	* testsuite/30_threads/shared_mutex/cons/1.cc: Likewise.
+	* testsuite/30_threads/shared_mutex/cons/assign_neg.cc: Likewise.
+	* testsuite/30_threads/shared_mutex/cons/copy_neg.cc: Likewise.
+	* testsuite/30_threads/shared_mutex/requirements/standard_layout.cc:
+	Likewise.
+	* testsuite/30_threads/shared_mutex/try_lock/1.cc: Likewise.
+	* testsuite/30_threads/shared_mutex/try_lock/2.cc: Likewise.
+	* testsuite/30_threads/shared_mutex/unlock/1.cc: Likewise.
+	* testsuite/30_threads/shared_timed_mutex/cons/1.cc: Likewise.
+	* testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc: Likewise.
+	* testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc: Likewise.
+	* testsuite/30_threads/shared_timed_mutex/requirements/
+	standard_layout.cc: Likewise.
+	* testsuite/30_threads/shared_timed_mutex/try_lock/1.cc: Likewise.
+	* testsuite/30_threads/shared_timed_mutex/try_lock/2.cc: Likewise.
+	* testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: Likewise.
+	* testsuite/30_threads/shared_timed_mutex/unlock/1.cc: Likewise.
+	* testsuite/30_threads/this_thread/1.cc: Likewise.
+	* testsuite/30_threads/this_thread/2.cc: Likewise.
+	* testsuite/30_threads/this_thread/3.cc: Likewise.
+	* testsuite/30_threads/this_thread/4.cc: Likewise.
+	* testsuite/30_threads/this_thread/58038.cc: Likewise.
+	* testsuite/30_threads/thread/70503.cc: Likewise.
+	* testsuite/30_threads/thread/84532.cc: Likewise.
+	* testsuite/30_threads/thread/adl.cc: Likewise.
+	* testsuite/30_threads/thread/cons/1.cc: Likewise.
+	* testsuite/30_threads/thread/cons/2.cc: Likewise.
+	* testsuite/30_threads/thread/cons/3.cc: Likewise.
+	* testsuite/30_threads/thread/cons/4.cc: Likewise.
+	* testsuite/30_threads/thread/cons/49668.cc: Likewise.
+	* testsuite/30_threads/thread/cons/5.cc: Likewise.
+	* testsuite/30_threads/thread/cons/6.cc: Likewise.
+	* testsuite/30_threads/thread/cons/7.cc: Likewise.
+	* testsuite/30_threads/thread/cons/8.cc: Likewise.
+	* testsuite/30_threads/thread/cons/84535.cc: Likewise.
+	* testsuite/30_threads/thread/cons/9.cc: Likewise.
+	* testsuite/30_threads/thread/cons/assign_neg.cc: Likewise.
+	* testsuite/30_threads/thread/cons/copy_neg.cc: Likewise.
+	* testsuite/30_threads/thread/cons/lwg2097.cc: Likewise.
+	* testsuite/30_threads/thread/cons/moveable.cc: Likewise.
+	* testsuite/30_threads/thread/cons/terminate.cc: Likewise.
+	* testsuite/30_threads/thread/id/operators.cc: Likewise.
+	* testsuite/30_threads/thread/members/1.cc: Likewise.
+	* testsuite/30_threads/thread/members/2.cc: Likewise.
+	* testsuite/30_threads/thread/members/3.cc: Likewise.
+	* testsuite/30_threads/thread/members/4.cc: Likewise.
+	* testsuite/30_threads/thread/members/5.cc: Likewise.
+	* testsuite/30_threads/thread/members/hardware_concurrency.cc:
+	Likewise.
+	* testsuite/30_threads/thread/native_handle/cancel.cc: Likewise.
+	* testsuite/30_threads/thread/swap/1.cc: Likewise.
+	* testsuite/30_threads/timed_mutex/cons/1.cc: Likewise.
+	* testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
+	* testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
+	* testsuite/30_threads/timed_mutex/dest/destructor_locked.cc: Likewise.
+	* testsuite/30_threads/timed_mutex/lock/1.cc: Likewise.
+	* testsuite/30_threads/timed_mutex/native_handle/1.cc: Likewise.
+	* testsuite/30_threads/timed_mutex/native_handle/typesizes.cc:
+	Likewise.
+	* testsuite/30_threads/timed_mutex/requirements/
+	standard_layout.cc: Likewise.
+	* testsuite/30_threads/timed_mutex/requirements/typedefs.cc: Likewise.
+	* testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise.
+	* testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise.
+	* testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise.
+	* testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise.
+	* testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise.
+	* testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise.
+	* testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise.
+	* testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Likewise.
+	* testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise.
+	* testsuite/30_threads/timed_mutex/unlock/2.cc: Likewise.
+	* testsuite/30_threads/try_lock/1.cc: Likewise.
+	* testsuite/30_threads/try_lock/2.cc: Likewise.
+	* testsuite/30_threads/try_lock/3.cc: Likewise.
+	* testsuite/30_threads/try_lock/4.cc: Likewise.
+	* testsuite/30_threads/unique_lock/cons/1.cc: Likewise.
+	* testsuite/30_threads/unique_lock/cons/2.cc: Likewise.
+	* testsuite/30_threads/unique_lock/cons/3.cc: Likewise.
+	* testsuite/30_threads/unique_lock/cons/4.cc: Likewise.
+	* testsuite/30_threads/unique_lock/cons/5.cc: Likewise.
+	* testsuite/30_threads/unique_lock/cons/6.cc: Likewise.
+	* testsuite/30_threads/unique_lock/locking/1.cc: Likewise.
+	* testsuite/30_threads/unique_lock/locking/2.cc: Likewise.
+	* testsuite/30_threads/unique_lock/locking/3.cc: Likewise.
+	* testsuite/30_threads/unique_lock/locking/4.cc: Likewise.
+	* testsuite/30_threads/unique_lock/modifiers/1.cc: Likewise.
+	* testsuite/30_threads/unique_lock/requirements/
+	explicit_instantiation.cc: Likewise.
+	* testsuite/30_threads/unique_lock/requirements/typedefs.cc: Likewise.
+
 	* testsuite/30_threads/async/42819.cc: Remove dg-require-cstdint
 	directive.
 	* testsuite/30_threads/async/49668.cc: Likewise.
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_mutex/cons/1.cc b/libstdc++-v3/testsuite/30_threads/recursive_mutex/cons/1.cc
index b654cb0..61aa025 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_mutex/cons/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_mutex/cons/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_mutex/cons/assign_neg.cc b/libstdc++-v3/testsuite/30_threads/recursive_mutex/cons/assign_neg.cc
index 15ebcdc..70dbc6d 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_mutex/cons/assign_neg.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_mutex/cons/assign_neg.cc
@@ -1,5 +1,4 @@
 // { dg-do compile { target c++11 } }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_mutex/cons/copy_neg.cc b/libstdc++-v3/testsuite/30_threads/recursive_mutex/cons/copy_neg.cc
index 18f5058..a77371e 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_mutex/cons/copy_neg.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_mutex/cons/copy_neg.cc
@@ -1,5 +1,4 @@
 // { dg-do compile { target c++11 } }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc b/libstdc++-v3/testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc
index 45f6819..6e686c9 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_mutex/lock/1.cc b/libstdc++-v3/testsuite/30_threads/recursive_mutex/lock/1.cc
index bf95cd3..32abb70 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_mutex/lock/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_mutex/lock/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_mutex/native_handle/1.cc b/libstdc++-v3/testsuite/30_threads/recursive_mutex/native_handle/1.cc
index 7847325..37d43e2 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_mutex/native_handle/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_mutex/native_handle/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc b/libstdc++-v3/testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc
index a595a7b..f1d48ac 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2009-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc b/libstdc++-v3/testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc
index 6244ac7..0da376a 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc
@@ -1,5 +1,4 @@
 // { dg-do compile { target c++11 } }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2009-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_mutex/requirements/typedefs.cc b/libstdc++-v3/testsuite/30_threads/recursive_mutex/requirements/typedefs.cc
index d50603b..75a43d7 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_mutex/requirements/typedefs.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_mutex/requirements/typedefs.cc
@@ -1,5 +1,4 @@
 // { dg-do compile { target c++11 } }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // 2008-03-18 Benjamin Kosnik <bkoz@redhat.com>
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_mutex/try_lock/1.cc b/libstdc++-v3/testsuite/30_threads/recursive_mutex/try_lock/1.cc
index 2594d0a..5d65e07 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_mutex/try_lock/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_mutex/try_lock/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_mutex/try_lock/2.cc b/libstdc++-v3/testsuite/30_threads/recursive_mutex/try_lock/2.cc
index 0bc67bb..75a7122 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_mutex/try_lock/2.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_mutex/try_lock/2.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_mutex/unlock/1.cc b/libstdc++-v3/testsuite/30_threads/recursive_mutex/unlock/1.cc
index 7743007..b979d21 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_mutex/unlock/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_mutex/unlock/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_mutex/unlock/2.cc b/libstdc++-v3/testsuite/30_threads/recursive_mutex/unlock/2.cc
index 43646ef..24b9bfe 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_mutex/unlock/2.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_mutex/unlock/2.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2015-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/cons/1.cc b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/cons/1.cc
index e52cb4d..583c61a 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/cons/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/cons/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc
index f4fdf80..4a69c3e 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc
@@ -1,5 +1,4 @@
 // { dg-do compile { target c++11 } }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc
index c39ed42..89b5232 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc
@@ -1,5 +1,4 @@
 // { dg-do compile { target c++11 } }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/dest/destructor_locked.cc b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/dest/destructor_locked.cc
index 2a9d140..8281b5a 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/dest/destructor_locked.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/dest/destructor_locked.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/lock/1.cc b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/lock/1.cc
index c0c7ee4..2a9a811 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/lock/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/lock/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/lock/2.cc b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/lock/2.cc
index 3176899..3575c66 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/lock/2.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/lock/2.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc
index 1bfb7ee..92db6e5 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads-timed "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/native_handle/typesizes.cc b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/native_handle/typesizes.cc
index e251fd4..c1126ec 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/native_handle/typesizes.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/native_handle/typesizes.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads-timed "" }
 
 // Copyright (C) 2009-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc
index 1af0b46..1493611 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc
@@ -1,5 +1,4 @@
 // { dg-do compile { target c++11 } }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads-timed "" }
 
 // 2008-03-18 Benjamin Kosnik <bkoz@redhat.com>
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc
index ec6503a..f2bcbe8 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc
index 30bd19a..667fd58 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc
index ef95915..c80356e 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc
index 5b31a33..251fb70 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc
index c752213..d08d70d 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc
index ec6503a..f2bcbe8 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc
index 4bde2a6..e4ef325 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/unlock/1.cc b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/unlock/1.cc
index 95be53f..d48eac5 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/unlock/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/unlock/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/unlock/2.cc b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/unlock/2.cc
index 44c6ded..809dc8b 100644
--- a/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/unlock/2.cc
+++ b/libstdc++-v3/testsuite/30_threads/recursive_timed_mutex/unlock/2.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2015-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/scoped_lock/cons/1.cc b/libstdc++-v3/testsuite/30_threads/scoped_lock/cons/1.cc
index 8dc4000..84548c5 100644
--- a/libstdc++-v3/testsuite/30_threads/scoped_lock/cons/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/scoped_lock/cons/1.cc
@@ -1,6 +1,5 @@
 // { dg-options "-std=gnu++17" }
 // { dg-do run { target c++17 } }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2017-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/scoped_lock/requirements/explicit_instantiation.cc b/libstdc++-v3/testsuite/30_threads/scoped_lock/requirements/explicit_instantiation.cc
index f258f96..708753a 100644
--- a/libstdc++-v3/testsuite/30_threads/scoped_lock/requirements/explicit_instantiation.cc
+++ b/libstdc++-v3/testsuite/30_threads/scoped_lock/requirements/explicit_instantiation.cc
@@ -1,6 +1,5 @@
 // { dg-options "-std=gnu++17" }
 // { dg-do compile { target c++17 } }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2017-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/scoped_lock/requirements/typedefs.cc b/libstdc++-v3/testsuite/30_threads/scoped_lock/requirements/typedefs.cc
index c9a0a15..b733140 100644
--- a/libstdc++-v3/testsuite/30_threads/scoped_lock/requirements/typedefs.cc
+++ b/libstdc++-v3/testsuite/30_threads/scoped_lock/requirements/typedefs.cc
@@ -1,6 +1,5 @@
 // { dg-options "-std=gnu++17" }
 // { dg-do compile { target c++17 } }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2017-2018 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 895b6bf..64b4836 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_future/cons/assign.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_future/cons/assign.cc
@@ -1,5 +1,4 @@
 // { dg-do run { target c++11 } }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2010-2018 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 4fa2ab0..42a7a73 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_future/cons/constexpr.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_future/cons/constexpr.cc
@@ -1,6 +1,5 @@
 // { dg-do compile { target c++11 } }
 // { dg-options "-fno-inline -g0" }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 // { 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 704cd5f..75a0f4b 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_future/cons/copy.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_future/cons/copy.cc
@@ -1,5 +1,4 @@
 // { dg-do compile { target c++11 } }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2009-2018 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 4a0cf07..baf1641 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_future/cons/default.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_future/cons/default.cc
@@ -1,5 +1,4 @@
 // { dg-do run { target c++11 } }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2010-2018 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 94b3a16..9150725 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_future/cons/move.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_future/cons/move.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2009-2018 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 11f9365..376b0b8 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
@@ -1,5 +1,4 @@
 // { dg-do run { target c++11 } }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2010-2018 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 de20c65..f7e2eff 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_future/members/45133.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_future/members/45133.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2010-2018 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 6d6226a..5c3754e 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_future/members/get.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_future/members/get.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2009-2018 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 a974b13..35457d5 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_future/members/get2.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_future/members/get2.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2009-2018 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 1a6b8a4..e832251 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_future/members/valid.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_future/members/valid.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2010-2018 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 6828425..809bf36 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_future/members/wait.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_future/members/wait.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2009-2018 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 6cd04bc..c5a7cd5 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
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2009-2018 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 996507b..13dd16e 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
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2009-2018 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 4defeb4..9c9db89 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
@@ -1,5 +1,4 @@
 // { dg-do compile { target c++11 } }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2009-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/shared_lock/cons/1.cc b/libstdc++-v3/testsuite/30_threads/shared_lock/cons/1.cc
index aa13287..c1301be 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_lock/cons/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_lock/cons/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++14 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2013-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/shared_lock/cons/2.cc b/libstdc++-v3/testsuite/30_threads/shared_lock/cons/2.cc
index a91e6c5..8f005ff 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_lock/cons/2.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_lock/cons/2.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++14 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2013-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/shared_lock/cons/3.cc b/libstdc++-v3/testsuite/30_threads/shared_lock/cons/3.cc
index def9543..740ded2 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_lock/cons/3.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_lock/cons/3.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++14 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2013-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/shared_lock/cons/4.cc b/libstdc++-v3/testsuite/30_threads/shared_lock/cons/4.cc
index 360242f..5838f7f 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_lock/cons/4.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_lock/cons/4.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++14 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2013-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/shared_lock/cons/5.cc b/libstdc++-v3/testsuite/30_threads/shared_lock/cons/5.cc
index f8a9004..b449096 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_lock/cons/5.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_lock/cons/5.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++14 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2013-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/shared_lock/cons/6.cc b/libstdc++-v3/testsuite/30_threads/shared_lock/cons/6.cc
index 99eeddc..de8514c 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_lock/cons/6.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_lock/cons/6.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++14 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2013-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/shared_lock/locking/1.cc b/libstdc++-v3/testsuite/30_threads/shared_lock/locking/1.cc
index 26ced0e..73f029a 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_lock/locking/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_lock/locking/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++14 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2013-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/shared_lock/locking/2.cc b/libstdc++-v3/testsuite/30_threads/shared_lock/locking/2.cc
index 73f274e..fae3f54 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_lock/locking/2.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_lock/locking/2.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++14 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2013-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/shared_lock/locking/3.cc b/libstdc++-v3/testsuite/30_threads/shared_lock/locking/3.cc
index f19ff27..e4d44ba 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_lock/locking/3.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_lock/locking/3.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++14 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2013-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/shared_lock/locking/4.cc b/libstdc++-v3/testsuite/30_threads/shared_lock/locking/4.cc
index 2fce9bf..b06ac23 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_lock/locking/4.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_lock/locking/4.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++14 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2013-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/shared_lock/modifiers/1.cc b/libstdc++-v3/testsuite/30_threads/shared_lock/modifiers/1.cc
index 08f6d87..57839e6 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_lock/modifiers/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_lock/modifiers/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++14 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2013-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/shared_lock/requirements/explicit_instantiation.cc b/libstdc++-v3/testsuite/30_threads/shared_lock/requirements/explicit_instantiation.cc
index 0b8def5..eb3b455 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_lock/requirements/explicit_instantiation.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_lock/requirements/explicit_instantiation.cc
@@ -1,5 +1,4 @@
 // { dg-do compile { target c++14 } }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2013-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/shared_lock/requirements/typedefs.cc b/libstdc++-v3/testsuite/30_threads/shared_lock/requirements/typedefs.cc
index 8f05df2..fa386f1 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_lock/requirements/typedefs.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_lock/requirements/typedefs.cc
@@ -1,5 +1,4 @@
 // { dg-do compile { target c++14 } }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2013-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/shared_mutex/cons/1.cc b/libstdc++-v3/testsuite/30_threads/shared_mutex/cons/1.cc
index 1c605e5..8930fe3 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_mutex/cons/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_mutex/cons/1.cc
@@ -1,7 +1,6 @@
 // { dg-do run }
 // { dg-options "-std=gnu++17 -pthread" }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2015-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/shared_mutex/cons/assign_neg.cc b/libstdc++-v3/testsuite/30_threads/shared_mutex/cons/assign_neg.cc
index 03b0b95..72dcab5 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_mutex/cons/assign_neg.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_mutex/cons/assign_neg.cc
@@ -1,6 +1,5 @@
 // { dg-do compile }
 // { dg-options "-std=gnu++17" }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2015-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/shared_mutex/cons/copy_neg.cc b/libstdc++-v3/testsuite/30_threads/shared_mutex/cons/copy_neg.cc
index 4df782f..d6dc8e3 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_mutex/cons/copy_neg.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_mutex/cons/copy_neg.cc
@@ -1,6 +1,5 @@
 // { dg-do compile }
 // { dg-options "-std=gnu++17" }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2015-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/shared_mutex/requirements/standard_layout.cc b/libstdc++-v3/testsuite/30_threads/shared_mutex/requirements/standard_layout.cc
index 0b87035..c840211 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_mutex/requirements/standard_layout.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_mutex/requirements/standard_layout.cc
@@ -1,6 +1,5 @@
 // { dg-do compile }
 // { dg-options "-std=gnu++17" }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2015-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/shared_mutex/try_lock/1.cc b/libstdc++-v3/testsuite/30_threads/shared_mutex/try_lock/1.cc
index 2a15210..abcbc16 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_mutex/try_lock/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_mutex/try_lock/1.cc
@@ -1,7 +1,6 @@
 // { dg-do run }
 // { dg-options "-std=gnu++17 -pthread" }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2015-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/shared_mutex/try_lock/2.cc b/libstdc++-v3/testsuite/30_threads/shared_mutex/try_lock/2.cc
index 4d2d179..078e50f 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_mutex/try_lock/2.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_mutex/try_lock/2.cc
@@ -1,7 +1,6 @@
 // { dg-do run }
 // { dg-options "-std=gnu++17 -pthread" }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2015-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/shared_mutex/unlock/1.cc b/libstdc++-v3/testsuite/30_threads/shared_mutex/unlock/1.cc
index b420d72..735302a 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_mutex/unlock/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_mutex/unlock/1.cc
@@ -1,7 +1,6 @@
 // { dg-do run }
 // { dg-options "-std=gnu++17 -pthread" }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2015-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/cons/1.cc b/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/cons/1.cc
index 546d228..fe93c66 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/cons/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/cons/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++14 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2013-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc b/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc
index 78a5bc7..e18024a 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc
@@ -1,5 +1,4 @@
 // { dg-do compile { target c++14 } }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc b/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc
index 54f633f..8fa38b3 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc
@@ -1,5 +1,4 @@
 // { dg-do compile { target c++14 } }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2013-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/requirements/standard_layout.cc b/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/requirements/standard_layout.cc
index ec831b1..4667edf 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/requirements/standard_layout.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/requirements/standard_layout.cc
@@ -1,5 +1,4 @@
 // { dg-do compile { target c++14 } }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2013-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/try_lock/1.cc b/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/try_lock/1.cc
index 167b470..5072a88 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/try_lock/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/try_lock/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++14 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2013-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/try_lock/2.cc b/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/try_lock/2.cc
index 6e82677..607f5b7 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/try_lock/2.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/try_lock/2.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++14 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2013-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/try_lock/3.cc b/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/try_lock/3.cc
index b7321cb..e7a7228 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/try_lock/3.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/try_lock/3.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++14 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2013-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/unlock/1.cc b/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/unlock/1.cc
index ce48388..3b02e85 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/unlock/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_timed_mutex/unlock/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++14 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2015-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/this_thread/1.cc b/libstdc++-v3/testsuite/30_threads/this_thread/1.cc
index c39604c..68edee1 100644
--- a/libstdc++-v3/testsuite/30_threads/this_thread/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/this_thread/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/this_thread/2.cc b/libstdc++-v3/testsuite/30_threads/this_thread/2.cc
index 8e59832..02e88d4 100644
--- a/libstdc++-v3/testsuite/30_threads/this_thread/2.cc
+++ b/libstdc++-v3/testsuite/30_threads/this_thread/2.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/this_thread/3.cc b/libstdc++-v3/testsuite/30_threads/this_thread/3.cc
index 073d0a8..c7dd277 100644
--- a/libstdc++-v3/testsuite/30_threads/this_thread/3.cc
+++ b/libstdc++-v3/testsuite/30_threads/this_thread/3.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 // { dg-require-sleep "" }
 
diff --git a/libstdc++-v3/testsuite/30_threads/this_thread/4.cc b/libstdc++-v3/testsuite/30_threads/this_thread/4.cc
index 21badfa..c4715f5 100644
--- a/libstdc++-v3/testsuite/30_threads/this_thread/4.cc
+++ b/libstdc++-v3/testsuite/30_threads/this_thread/4.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 // { dg-require-sleep "" }
 
diff --git a/libstdc++-v3/testsuite/30_threads/this_thread/58038.cc b/libstdc++-v3/testsuite/30_threads/this_thread/58038.cc
index a73b44f..fa0c69eb 100644
--- a/libstdc++-v3/testsuite/30_threads/this_thread/58038.cc
+++ b/libstdc++-v3/testsuite/30_threads/this_thread/58038.cc
@@ -16,7 +16,6 @@
 // <http://www.gnu.org/licenses/>.
 
 // { dg-do run { target c++11 } }
-// { dg-require-cstdint "" }
 // { dg-require-time "" }
 
 #include <thread>
diff --git a/libstdc++-v3/testsuite/30_threads/thread/70503.cc b/libstdc++-v3/testsuite/30_threads/thread/70503.cc
index c44a84a..9ffbd72 100644
--- a/libstdc++-v3/testsuite/30_threads/thread/70503.cc
+++ b/libstdc++-v3/testsuite/30_threads/thread/70503.cc
@@ -17,7 +17,6 @@
 
 // { dg-do link { target c++11 } }
 // { dg-options "-static" { target *-*-*gnu* } }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 // { dg-require-effective-target static }
 
diff --git a/libstdc++-v3/testsuite/30_threads/thread/84532.cc b/libstdc++-v3/testsuite/30_threads/thread/84532.cc
index f389b9b..570f96d 100644
--- a/libstdc++-v3/testsuite/30_threads/thread/84532.cc
+++ b/libstdc++-v3/testsuite/30_threads/thread/84532.cc
@@ -1,5 +1,4 @@
 // { dg-do compile { target c++11 } }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/thread/adl.cc b/libstdc++-v3/testsuite/30_threads/thread/adl.cc
index c27e296..969b285 100644
--- a/libstdc++-v3/testsuite/30_threads/thread/adl.cc
+++ b/libstdc++-v3/testsuite/30_threads/thread/adl.cc
@@ -1,5 +1,4 @@
 // { dg-do compile { target c++11 } }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2012-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/thread/cons/1.cc b/libstdc++-v3/testsuite/30_threads/thread/cons/1.cc
index fb95fb22..6ad7ae0 100644
--- a/libstdc++-v3/testsuite/30_threads/thread/cons/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/thread/cons/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/thread/cons/2.cc b/libstdc++-v3/testsuite/30_threads/thread/cons/2.cc
index 269d6ed..69631ae 100644
--- a/libstdc++-v3/testsuite/30_threads/thread/cons/2.cc
+++ b/libstdc++-v3/testsuite/30_threads/thread/cons/2.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/thread/cons/3.cc b/libstdc++-v3/testsuite/30_threads/thread/cons/3.cc
index cb88c4b..eac7372 100644
--- a/libstdc++-v3/testsuite/30_threads/thread/cons/3.cc
+++ b/libstdc++-v3/testsuite/30_threads/thread/cons/3.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/thread/cons/4.cc b/libstdc++-v3/testsuite/30_threads/thread/cons/4.cc
index 4cd02f5..6ae936a 100644
--- a/libstdc++-v3/testsuite/30_threads/thread/cons/4.cc
+++ b/libstdc++-v3/testsuite/30_threads/thread/cons/4.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/thread/cons/49668.cc b/libstdc++-v3/testsuite/30_threads/thread/cons/49668.cc
index b147f21..326f701 100644
--- a/libstdc++-v3/testsuite/30_threads/thread/cons/49668.cc
+++ b/libstdc++-v3/testsuite/30_threads/thread/cons/49668.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2011-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/thread/cons/5.cc b/libstdc++-v3/testsuite/30_threads/thread/cons/5.cc
index e91d3db..381ca24 100644
--- a/libstdc++-v3/testsuite/30_threads/thread/cons/5.cc
+++ b/libstdc++-v3/testsuite/30_threads/thread/cons/5.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2009-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/thread/cons/6.cc b/libstdc++-v3/testsuite/30_threads/thread/cons/6.cc
index 1cdf97c..76e04ce 100644
--- a/libstdc++-v3/testsuite/30_threads/thread/cons/6.cc
+++ b/libstdc++-v3/testsuite/30_threads/thread/cons/6.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2009-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/thread/cons/7.cc b/libstdc++-v3/testsuite/30_threads/thread/cons/7.cc
index 15c3c62..c639214 100644
--- a/libstdc++-v3/testsuite/30_threads/thread/cons/7.cc
+++ b/libstdc++-v3/testsuite/30_threads/thread/cons/7.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/thread/cons/8.cc b/libstdc++-v3/testsuite/30_threads/thread/cons/8.cc
index 36020ed..5357943 100644
--- a/libstdc++-v3/testsuite/30_threads/thread/cons/8.cc
+++ b/libstdc++-v3/testsuite/30_threads/thread/cons/8.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/thread/cons/84535.cc b/libstdc++-v3/testsuite/30_threads/thread/cons/84535.cc
index c96929b..ad34437 100644
--- a/libstdc++-v3/testsuite/30_threads/thread/cons/84535.cc
+++ b/libstdc++-v3/testsuite/30_threads/thread/cons/84535.cc
@@ -1,5 +1,4 @@
 // { dg-do compile { target c++11 } }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/thread/cons/9.cc b/libstdc++-v3/testsuite/30_threads/thread/cons/9.cc
index fa86a7d..7713719 100644
--- a/libstdc++-v3/testsuite/30_threads/thread/cons/9.cc
+++ b/libstdc++-v3/testsuite/30_threads/thread/cons/9.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2009-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/thread/cons/assign_neg.cc b/libstdc++-v3/testsuite/30_threads/thread/cons/assign_neg.cc
index c0148ba..4e2596c 100644
--- a/libstdc++-v3/testsuite/30_threads/thread/cons/assign_neg.cc
+++ b/libstdc++-v3/testsuite/30_threads/thread/cons/assign_neg.cc
@@ -1,5 +1,4 @@
 // { dg-do compile { target c++11 } }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2009-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/thread/cons/copy_neg.cc b/libstdc++-v3/testsuite/30_threads/thread/cons/copy_neg.cc
index 731f5af..75ada2d 100644
--- a/libstdc++-v3/testsuite/30_threads/thread/cons/copy_neg.cc
+++ b/libstdc++-v3/testsuite/30_threads/thread/cons/copy_neg.cc
@@ -1,5 +1,4 @@
 // { dg-do compile { target c++11 } }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2009-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/thread/cons/lwg2097.cc b/libstdc++-v3/testsuite/30_threads/thread/cons/lwg2097.cc
index bf99db1..1c7a394 100644
--- a/libstdc++-v3/testsuite/30_threads/thread/cons/lwg2097.cc
+++ b/libstdc++-v3/testsuite/30_threads/thread/cons/lwg2097.cc
@@ -1,5 +1,4 @@
 // { dg-do compile { target c++11 } }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2017-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/thread/cons/moveable.cc b/libstdc++-v3/testsuite/30_threads/thread/cons/moveable.cc
index 6be8a25..1b8bc7d 100644
--- a/libstdc++-v3/testsuite/30_threads/thread/cons/moveable.cc
+++ b/libstdc++-v3/testsuite/30_threads/thread/cons/moveable.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2009-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/thread/cons/terminate.cc b/libstdc++-v3/testsuite/30_threads/thread/cons/terminate.cc
index cb6fc3e..cd75205 100644
--- a/libstdc++-v3/testsuite/30_threads/thread/cons/terminate.cc
+++ b/libstdc++-v3/testsuite/30_threads/thread/cons/terminate.cc
@@ -19,7 +19,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 #include <thread>
diff --git a/libstdc++-v3/testsuite/30_threads/thread/id/operators.cc b/libstdc++-v3/testsuite/30_threads/thread/id/operators.cc
index 14d987d..b3dd5ee 100644
--- a/libstdc++-v3/testsuite/30_threads/thread/id/operators.cc
+++ b/libstdc++-v3/testsuite/30_threads/thread/id/operators.cc
@@ -1,5 +1,4 @@
 // { dg-do compile { target c++11 } }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2009-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/thread/members/1.cc b/libstdc++-v3/testsuite/30_threads/thread/members/1.cc
index df5c7b0..0d81c6c 100644
--- a/libstdc++-v3/testsuite/30_threads/thread/members/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/thread/members/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/thread/members/2.cc b/libstdc++-v3/testsuite/30_threads/thread/members/2.cc
index 8f5d014..92814cb 100644
--- a/libstdc++-v3/testsuite/30_threads/thread/members/2.cc
+++ b/libstdc++-v3/testsuite/30_threads/thread/members/2.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/thread/members/3.cc b/libstdc++-v3/testsuite/30_threads/thread/members/3.cc
index 4c3bd11..b1aa3a5 100644
--- a/libstdc++-v3/testsuite/30_threads/thread/members/3.cc
+++ b/libstdc++-v3/testsuite/30_threads/thread/members/3.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/thread/members/4.cc b/libstdc++-v3/testsuite/30_threads/thread/members/4.cc
index b908371..c72bcb5 100644
--- a/libstdc++-v3/testsuite/30_threads/thread/members/4.cc
+++ b/libstdc++-v3/testsuite/30_threads/thread/members/4.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2009-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/thread/members/5.cc b/libstdc++-v3/testsuite/30_threads/thread/members/5.cc
index a862d06..4777e62 100644
--- a/libstdc++-v3/testsuite/30_threads/thread/members/5.cc
+++ b/libstdc++-v3/testsuite/30_threads/thread/members/5.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2009-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/thread/members/hardware_concurrency.cc b/libstdc++-v3/testsuite/30_threads/thread/members/hardware_concurrency.cc
index bfb3f03..661b31d 100644
--- a/libstdc++-v3/testsuite/30_threads/thread/members/hardware_concurrency.cc
+++ b/libstdc++-v3/testsuite/30_threads/thread/members/hardware_concurrency.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 // { dg-require-nprocs "" }
 
diff --git a/libstdc++-v3/testsuite/30_threads/thread/native_handle/cancel.cc b/libstdc++-v3/testsuite/30_threads/thread/native_handle/cancel.cc
index 4ee1d3c..ce70e84 100644
--- a/libstdc++-v3/testsuite/30_threads/thread/native_handle/cancel.cc
+++ b/libstdc++-v3/testsuite/30_threads/thread/native_handle/cancel.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2012-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/thread/swap/1.cc b/libstdc++-v3/testsuite/30_threads/thread/swap/1.cc
index d678d9f..90e0cb6 100644
--- a/libstdc++-v3/testsuite/30_threads/thread/swap/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/thread/swap/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/timed_mutex/cons/1.cc b/libstdc++-v3/testsuite/30_threads/timed_mutex/cons/1.cc
index ee66248..4a3db4d 100644
--- a/libstdc++-v3/testsuite/30_threads/timed_mutex/cons/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/timed_mutex/cons/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/timed_mutex/cons/assign_neg.cc b/libstdc++-v3/testsuite/30_threads/timed_mutex/cons/assign_neg.cc
index f2f77ca..47f33a8 100644
--- a/libstdc++-v3/testsuite/30_threads/timed_mutex/cons/assign_neg.cc
+++ b/libstdc++-v3/testsuite/30_threads/timed_mutex/cons/assign_neg.cc
@@ -1,5 +1,4 @@
 // { dg-do compile { target c++11 } }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/timed_mutex/cons/copy_neg.cc b/libstdc++-v3/testsuite/30_threads/timed_mutex/cons/copy_neg.cc
index a9af2e3..d21bd61 100644
--- a/libstdc++-v3/testsuite/30_threads/timed_mutex/cons/copy_neg.cc
+++ b/libstdc++-v3/testsuite/30_threads/timed_mutex/cons/copy_neg.cc
@@ -1,5 +1,4 @@
 // { dg-do compile { target c++11 } }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/timed_mutex/dest/destructor_locked.cc b/libstdc++-v3/testsuite/30_threads/timed_mutex/dest/destructor_locked.cc
index 8c5fc03..3590873 100644
--- a/libstdc++-v3/testsuite/30_threads/timed_mutex/dest/destructor_locked.cc
+++ b/libstdc++-v3/testsuite/30_threads/timed_mutex/dest/destructor_locked.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/timed_mutex/lock/1.cc b/libstdc++-v3/testsuite/30_threads/timed_mutex/lock/1.cc
index 7dc4612..0667834 100644
--- a/libstdc++-v3/testsuite/30_threads/timed_mutex/lock/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/timed_mutex/lock/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/timed_mutex/native_handle/1.cc b/libstdc++-v3/testsuite/30_threads/timed_mutex/native_handle/1.cc
index 2c1e2ce..2e22bbb 100644
--- a/libstdc++-v3/testsuite/30_threads/timed_mutex/native_handle/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/timed_mutex/native_handle/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads-timed "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/timed_mutex/native_handle/typesizes.cc b/libstdc++-v3/testsuite/30_threads/timed_mutex/native_handle/typesizes.cc
index b7f96ab..6a965e5 100644
--- a/libstdc++-v3/testsuite/30_threads/timed_mutex/native_handle/typesizes.cc
+++ b/libstdc++-v3/testsuite/30_threads/timed_mutex/native_handle/typesizes.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads-timed "" }
 
 // Copyright (C) 2009-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/timed_mutex/requirements/standard_layout.cc b/libstdc++-v3/testsuite/30_threads/timed_mutex/requirements/standard_layout.cc
index 459f7e1..e8f4adc 100644
--- a/libstdc++-v3/testsuite/30_threads/timed_mutex/requirements/standard_layout.cc
+++ b/libstdc++-v3/testsuite/30_threads/timed_mutex/requirements/standard_layout.cc
@@ -1,5 +1,4 @@
 // { dg-do compile { target c++11 } }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2009-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/timed_mutex/requirements/typedefs.cc b/libstdc++-v3/testsuite/30_threads/timed_mutex/requirements/typedefs.cc
index ab90545..cb690fc 100644
--- a/libstdc++-v3/testsuite/30_threads/timed_mutex/requirements/typedefs.cc
+++ b/libstdc++-v3/testsuite/30_threads/timed_mutex/requirements/typedefs.cc
@@ -1,5 +1,4 @@
 // { dg-do compile { target c++11 } }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads-timed "" }
 
 // 2008-07-23 Chris Fairles <chris.fairles@gmail.com>
diff --git a/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock/1.cc b/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock/1.cc
index 26aa4e7..ff13fed 100644
--- a/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock/2.cc b/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock/2.cc
index 45af57c..d36d66c 100644
--- a/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock/2.cc
+++ b/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock/2.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock_for/1.cc b/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock_for/1.cc
index 0649624..09a6000 100644
--- a/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock_for/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock_for/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock_for/2.cc b/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock_for/2.cc
index 7370d31..92b3170 100644
--- a/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock_for/2.cc
+++ b/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock_for/2.cc
@@ -24,13 +24,14 @@
 
 #include <mutex>
 #include <chrono>
+#include <cstdint>
 #include <system_error>
 #include <testsuite_hooks.h>
 
 int main()
 {
   typedef std::timed_mutex mutex_type;
-  typedef std::chrono::duration<int64_t, std::pico> picoseconds;
+  typedef std::chrono::duration<std::int64_t, std::pico> picoseconds;
 
   try 
     {
diff --git a/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock_for/3.cc b/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock_for/3.cc
index 82dc90c..fd2731a 100644
--- a/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock_for/3.cc
+++ b/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock_for/3.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock_until/1.cc b/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock_until/1.cc
index 26aa4e7..ff13fed 100644
--- a/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock_until/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock_until/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock_until/2.cc b/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock_until/2.cc
index 45af57c..d36d66c 100644
--- a/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock_until/2.cc
+++ b/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock_until/2.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock_until/57641.cc b/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock_until/57641.cc
index 07e7c8d..1801bef 100644
--- a/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock_until/57641.cc
+++ b/libstdc++-v3/testsuite/30_threads/timed_mutex/try_lock_until/57641.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2013-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/timed_mutex/unlock/1.cc b/libstdc++-v3/testsuite/30_threads/timed_mutex/unlock/1.cc
index d2abefd..ca7c992 100644
--- a/libstdc++-v3/testsuite/30_threads/timed_mutex/unlock/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/timed_mutex/unlock/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/timed_mutex/unlock/2.cc b/libstdc++-v3/testsuite/30_threads/timed_mutex/unlock/2.cc
index 1366ce7..6484b23 100644
--- a/libstdc++-v3/testsuite/30_threads/timed_mutex/unlock/2.cc
+++ b/libstdc++-v3/testsuite/30_threads/timed_mutex/unlock/2.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2015-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/try_lock/1.cc b/libstdc++-v3/testsuite/30_threads/try_lock/1.cc
index 6e81f6d..358a65b 100644
--- a/libstdc++-v3/testsuite/30_threads/try_lock/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/try_lock/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/try_lock/2.cc b/libstdc++-v3/testsuite/30_threads/try_lock/2.cc
index 1059a98..aa16b02 100644
--- a/libstdc++-v3/testsuite/30_threads/try_lock/2.cc
+++ b/libstdc++-v3/testsuite/30_threads/try_lock/2.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/try_lock/3.cc b/libstdc++-v3/testsuite/30_threads/try_lock/3.cc
index cf7d1a4..5b83368 100644
--- a/libstdc++-v3/testsuite/30_threads/try_lock/3.cc
+++ b/libstdc++-v3/testsuite/30_threads/try_lock/3.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/try_lock/4.cc b/libstdc++-v3/testsuite/30_threads/try_lock/4.cc
index c4e58e6..0385de0 100644
--- a/libstdc++-v3/testsuite/30_threads/try_lock/4.cc
+++ b/libstdc++-v3/testsuite/30_threads/try_lock/4.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2010-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/unique_lock/cons/1.cc b/libstdc++-v3/testsuite/30_threads/unique_lock/cons/1.cc
index 8566a9b..068e3e7 100644
--- a/libstdc++-v3/testsuite/30_threads/unique_lock/cons/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/unique_lock/cons/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/unique_lock/cons/2.cc b/libstdc++-v3/testsuite/30_threads/unique_lock/cons/2.cc
index 7078481..fea6a07 100644
--- a/libstdc++-v3/testsuite/30_threads/unique_lock/cons/2.cc
+++ b/libstdc++-v3/testsuite/30_threads/unique_lock/cons/2.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/unique_lock/cons/3.cc b/libstdc++-v3/testsuite/30_threads/unique_lock/cons/3.cc
index a3982ac..4f5a21d 100644
--- a/libstdc++-v3/testsuite/30_threads/unique_lock/cons/3.cc
+++ b/libstdc++-v3/testsuite/30_threads/unique_lock/cons/3.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/unique_lock/cons/4.cc b/libstdc++-v3/testsuite/30_threads/unique_lock/cons/4.cc
index 8d0b9f5..b6ce21c 100644
--- a/libstdc++-v3/testsuite/30_threads/unique_lock/cons/4.cc
+++ b/libstdc++-v3/testsuite/30_threads/unique_lock/cons/4.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/unique_lock/cons/5.cc b/libstdc++-v3/testsuite/30_threads/unique_lock/cons/5.cc
index 111c40e..d417d47 100644
--- a/libstdc++-v3/testsuite/30_threads/unique_lock/cons/5.cc
+++ b/libstdc++-v3/testsuite/30_threads/unique_lock/cons/5.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/unique_lock/cons/6.cc b/libstdc++-v3/testsuite/30_threads/unique_lock/cons/6.cc
index 0d20261..199ae91 100644
--- a/libstdc++-v3/testsuite/30_threads/unique_lock/cons/6.cc
+++ b/libstdc++-v3/testsuite/30_threads/unique_lock/cons/6.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/unique_lock/locking/1.cc b/libstdc++-v3/testsuite/30_threads/unique_lock/locking/1.cc
index b6e8753..2999969 100644
--- a/libstdc++-v3/testsuite/30_threads/unique_lock/locking/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/unique_lock/locking/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/unique_lock/locking/2.cc b/libstdc++-v3/testsuite/30_threads/unique_lock/locking/2.cc
index e34254a..61c444d 100644
--- a/libstdc++-v3/testsuite/30_threads/unique_lock/locking/2.cc
+++ b/libstdc++-v3/testsuite/30_threads/unique_lock/locking/2.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/unique_lock/locking/3.cc b/libstdc++-v3/testsuite/30_threads/unique_lock/locking/3.cc
index cf73f0c..58f94ce 100644
--- a/libstdc++-v3/testsuite/30_threads/unique_lock/locking/3.cc
+++ b/libstdc++-v3/testsuite/30_threads/unique_lock/locking/3.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/unique_lock/locking/4.cc b/libstdc++-v3/testsuite/30_threads/unique_lock/locking/4.cc
index b4efd72..a03786c 100644
--- a/libstdc++-v3/testsuite/30_threads/unique_lock/locking/4.cc
+++ b/libstdc++-v3/testsuite/30_threads/unique_lock/locking/4.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
 //
diff --git a/libstdc++-v3/testsuite/30_threads/unique_lock/modifiers/1.cc b/libstdc++-v3/testsuite/30_threads/unique_lock/modifiers/1.cc
index f291a91..fa424e8 100644
--- a/libstdc++-v3/testsuite/30_threads/unique_lock/modifiers/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/unique_lock/modifiers/1.cc
@@ -2,7 +2,6 @@
 // { dg-options "-pthread"  }
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target pthread }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/30_threads/unique_lock/requirements/explicit_instantiation.cc b/libstdc++-v3/testsuite/30_threads/unique_lock/requirements/explicit_instantiation.cc
index be35a26..2424ebf 100644
--- a/libstdc++-v3/testsuite/30_threads/unique_lock/requirements/explicit_instantiation.cc
+++ b/libstdc++-v3/testsuite/30_threads/unique_lock/requirements/explicit_instantiation.cc
@@ -1,5 +1,4 @@
 // { dg-do compile { target c++11 } }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // 2008-03-14 Benjamin Kosnik <bkoz@redhat.com>
diff --git a/libstdc++-v3/testsuite/30_threads/unique_lock/requirements/typedefs.cc b/libstdc++-v3/testsuite/30_threads/unique_lock/requirements/typedefs.cc
index ed9b781..e8aff4c 100644
--- a/libstdc++-v3/testsuite/30_threads/unique_lock/requirements/typedefs.cc
+++ b/libstdc++-v3/testsuite/30_threads/unique_lock/requirements/typedefs.cc
@@ -1,5 +1,4 @@
 // { dg-do compile { target c++11 } }
-// { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 
 // 2008-03-14 Benjamin Kosnik <bkoz@redhat.com>