diff --git a/libcxx/test/std/thread/thread.mutex/thread.lock.algorithm/lock.pass.cpp b/libcxx/test/std/thread/thread.mutex/thread.lock.algorithm/lock.pass.cpp
index 9e20144e8c85de..46d04cdac350ea 100644
--- a/libcxx/test/std/thread/thread.mutex/thread.lock.algorithm/lock.pass.cpp
+++ b/libcxx/test/std/thread/thread.mutex/thread.lock.algorithm/lock.pass.cpp
@@ -7,7 +7,6 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// XFAIL: libcpp-no-exceptions
 // UNSUPPORTED: libcpp-has-no-threads
 
 // This test hangs forever when built against libstdc++. In order to allow
@@ -23,6 +22,8 @@
 #include <mutex>
 #include <cassert>
 
+#include "test_macros.h"
+
 class L0
 {
     bool locked_;
@@ -78,12 +79,12 @@ class L2
 
     void lock()
     {
-        throw 1;
+        TEST_THROW(1);
     }
 
     bool try_lock()
     {
-        throw 1;
+        TEST_THROW(1);
         return locked_;
     }
 
@@ -115,6 +116,7 @@ int main()
         assert(l0.locked());
         assert(l1.locked());
     }
+#ifndef TEST_HAS_NO_EXCEPTIONS
     {
         L0 l0;
         L2 l1;
@@ -185,6 +187,7 @@ int main()
             assert(!l1.locked());
         }
     }
+#endif
 #ifndef _LIBCPP_HAS_NO_VARIADICS
     {
         L0 l0;
@@ -195,6 +198,7 @@ int main()
         assert(l1.locked());
         assert(l2.locked());
     }
+#ifndef TEST_HAS_NO_EXCEPTIONS
     {
         L2 l0;
         L2 l1;
@@ -211,6 +215,7 @@ int main()
             assert(!l2.locked());
         }
     }
+#endif
     {
         L0 l0;
         L0 l1;
@@ -238,6 +243,7 @@ int main()
         assert(l1.locked());
         assert(l2.locked());
     }
+#ifndef TEST_HAS_NO_EXCEPTIONS
     {
         L0 l0;
         L0 l1;
@@ -382,6 +388,7 @@ int main()
             assert(!l2.locked());
         }
     }
+#endif  // TEST_HAS_NO_EXCEPTIONS
     {
         L0 l0;
         L0 l1;
@@ -437,6 +444,7 @@ int main()
         assert(l2.locked());
         assert(l3.locked());
     }
+#ifndef TEST_HAS_NO_EXCEPTIONS
     {
         L0 l0;
         L0 l1;
@@ -509,5 +517,6 @@ int main()
             assert(!l3.locked());
         }
     }
+#endif  // TEST_HAS_NO_EXCEPTIONS
 #endif  // _LIBCPP_HAS_NO_VARIADICS
 }
diff --git a/libcxx/test/std/thread/thread.mutex/thread.lock.algorithm/try_lock.pass.cpp b/libcxx/test/std/thread/thread.mutex/thread.lock.algorithm/try_lock.pass.cpp
index 8889408be2d7cc..fb563cbe0b1412 100644
--- a/libcxx/test/std/thread/thread.mutex/thread.lock.algorithm/try_lock.pass.cpp
+++ b/libcxx/test/std/thread/thread.mutex/thread.lock.algorithm/try_lock.pass.cpp
@@ -7,7 +7,6 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// XFAIL: libcpp-no-exceptions
 // UNSUPPORTED: libcpp-has-no-threads
 
 // <mutex>
@@ -18,6 +17,8 @@
 #include <mutex>
 #include <cassert>
 
+#include "test_macros.h"
+
 class L0
 {
     bool locked_;
@@ -63,7 +64,7 @@ class L2
 
     bool try_lock()
     {
-        throw 1;
+        TEST_THROW(1);
         return locked_;
     }
 
@@ -95,6 +96,7 @@ int main()
         assert(!l0.locked());
         assert(!l1.locked());
     }
+#ifndef TEST_HAS_NO_EXCEPTIONS
     {
         L0 l0;
         L2 l1;
@@ -123,6 +125,7 @@ int main()
             assert(!l1.locked());
         }
     }
+#endif
 #ifndef _LIBCPP_HAS_NO_VARIADICS
     {
         L0 l0;
@@ -142,6 +145,7 @@ int main()
         assert(!l1.locked());
         assert(!l2.locked());
     }
+#ifndef TEST_HAS_NO_EXCEPTIONS
     {
         L2 l0;
         L2 l1;
@@ -167,6 +171,7 @@ int main()
         assert(!l1.locked());
         assert(!l2.locked());
     }
+#endif
     {
         L0 l0;
         L0 l1;
@@ -194,6 +199,7 @@ int main()
         assert(!l1.locked());
         assert(!l2.locked());
     }
+#ifndef TEST_HAS_NO_EXCEPTIONS
     {
         L0 l0;
         L0 l1;
@@ -242,6 +248,7 @@ int main()
             assert(!l2.locked());
         }
     }
+#endif
     {
         L1 l0;
         L1 l1;
@@ -269,6 +276,7 @@ int main()
         assert(!l1.locked());
         assert(!l2.locked());
     }
+#ifndef TEST_HAS_NO_EXCEPTIONS
     {
         L1 l0;
         L1 l1;
@@ -458,6 +466,7 @@ int main()
             assert(!l2.locked());
         }
     }
+#endif  // TEST_HAS_NO_EXCEPTIONS
     {
         L0 l0;
         L0 l1;
diff --git a/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.shared/thread.lock.shared.locking/lock.pass.cpp b/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.shared/thread.lock.shared.locking/lock.pass.cpp
index 5c3513c98e03b4..25d78ab1902143 100644
--- a/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.shared/thread.lock.shared.locking/lock.pass.cpp
+++ b/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.shared/thread.lock.shared.locking/lock.pass.cpp
@@ -7,7 +7,6 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// XFAIL: libcpp-no-exceptions
 // UNSUPPORTED: libcpp-has-no-threads
 // UNSUPPORTED: c++98, c++03, c++11
 
@@ -54,6 +53,7 @@ void f()
     assert(lk.owns_lock() == true);
     ns d = t1 - t0 - WaitTime;
     assert(d < Tolerance);  // within tolerance
+#ifndef TEST_HAS_NO_EXCEPTIONS
     try
     {
         lk.lock();
@@ -63,8 +63,10 @@ void f()
     {
         assert(e.code().value() == EDEADLK);
     }
+#endif
     lk.unlock();
     lk.release();
+#ifndef TEST_HAS_NO_EXCEPTIONS
     try
     {
         lk.lock();
@@ -74,6 +76,7 @@ void f()
     {
         assert(e.code().value() == EPERM);
     }
+#endif
 }
 
 int main()
diff --git a/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.shared/thread.lock.shared.locking/try_lock.pass.cpp b/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.shared/thread.lock.shared.locking/try_lock.pass.cpp
index 01693c77ea39e5..947b1ad012ecfe 100644
--- a/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.shared/thread.lock.shared.locking/try_lock.pass.cpp
+++ b/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.shared/thread.lock.shared.locking/try_lock.pass.cpp
@@ -7,7 +7,6 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// XFAIL: libcpp-no-exceptions
 // UNSUPPORTED: libcpp-has-no-threads
 // UNSUPPORTED: c++98, c++03, c++11
 
@@ -20,6 +19,8 @@
 #include <shared_mutex>
 #include <cassert>
 
+#include "test_macros.h"
+
 bool try_lock_called = false;
 
 struct mutex
@@ -36,11 +37,11 @@ mutex m;
 
 int main()
 {
-
     std::shared_lock<mutex> lk(m, std::defer_lock);
     assert(lk.try_lock() == true);
     assert(try_lock_called == true);
     assert(lk.owns_lock() == true);
+#ifndef TEST_HAS_NO_EXCEPTIONS
     try
     {
         lk.try_lock();
@@ -50,11 +51,13 @@ int main()
     {
         assert(e.code().value() == EDEADLK);
     }
+#endif
     lk.unlock();
     assert(lk.try_lock() == false);
     assert(try_lock_called == false);
     assert(lk.owns_lock() == false);
     lk.release();
+#ifndef TEST_HAS_NO_EXCEPTIONS
     try
     {
         lk.try_lock();
@@ -64,4 +67,5 @@ int main()
     {
         assert(e.code().value() == EPERM);
     }
+#endif
 }
diff --git a/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.shared/thread.lock.shared.locking/try_lock_for.pass.cpp b/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.shared/thread.lock.shared.locking/try_lock_for.pass.cpp
index 852a94eb65ece8..5cb8054125632b 100644
--- a/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.shared/thread.lock.shared.locking/try_lock_for.pass.cpp
+++ b/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.shared/thread.lock.shared.locking/try_lock_for.pass.cpp
@@ -7,7 +7,6 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// XFAIL: libcpp-no-exceptions
 // UNSUPPORTED: libcpp-has-no-threads
 // UNSUPPORTED: c++98, c++03, c++11
 
@@ -21,6 +20,8 @@
 #include <shared_mutex>
 #include <cassert>
 
+#include "test_macros.h"
+
 bool try_lock_for_called = false;
 
 typedef std::chrono::milliseconds ms;
@@ -45,6 +46,7 @@ int main()
     assert(lk.try_lock_for(ms(5)) == true);
     assert(try_lock_for_called == true);
     assert(lk.owns_lock() == true);
+#ifndef TEST_HAS_NO_EXCEPTIONS
     try
     {
         lk.try_lock_for(ms(5));
@@ -54,11 +56,13 @@ int main()
     {
         assert(e.code().value() == EDEADLK);
     }
+#endif
     lk.unlock();
     assert(lk.try_lock_for(ms(5)) == false);
     assert(try_lock_for_called == false);
     assert(lk.owns_lock() == false);
     lk.release();
+#ifndef TEST_HAS_NO_EXCEPTIONS
     try
     {
         lk.try_lock_for(ms(5));
@@ -68,4 +72,5 @@ int main()
     {
         assert(e.code().value() == EPERM);
     }
+#endif
 }
diff --git a/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.shared/thread.lock.shared.locking/try_lock_until.pass.cpp b/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.shared/thread.lock.shared.locking/try_lock_until.pass.cpp
index 31574afd7d8f5d..3ba4128d719c64 100644
--- a/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.shared/thread.lock.shared.locking/try_lock_until.pass.cpp
+++ b/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.shared/thread.lock.shared.locking/try_lock_until.pass.cpp
@@ -7,7 +7,6 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// XFAIL: libcpp-no-exceptions
 // UNSUPPORTED: libcpp-has-no-threads
 // UNSUPPORTED: c++98, c++03, c++11
 
@@ -21,6 +20,8 @@
 #include <shared_mutex>
 #include <cassert>
 
+#include "test_macros.h"
+
 bool try_lock_until_called = false;
 
 struct mutex
@@ -45,6 +46,7 @@ int main()
     assert(lk.try_lock_until(Clock::now()) == true);
     assert(try_lock_until_called == true);
     assert(lk.owns_lock() == true);
+#ifndef TEST_HAS_NO_EXCEPTIONS
     try
     {
         lk.try_lock_until(Clock::now());
@@ -54,11 +56,13 @@ int main()
     {
         assert(e.code().value() == EDEADLK);
     }
+#endif
     lk.unlock();
     assert(lk.try_lock_until(Clock::now()) == false);
     assert(try_lock_until_called == false);
     assert(lk.owns_lock() == false);
     lk.release();
+#ifndef TEST_HAS_NO_EXCEPTIONS
     try
     {
         lk.try_lock_until(Clock::now());
@@ -68,4 +72,5 @@ int main()
     {
         assert(e.code().value() == EPERM);
     }
+#endif
 }
diff --git a/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.shared/thread.lock.shared.locking/unlock.pass.cpp b/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.shared/thread.lock.shared.locking/unlock.pass.cpp
index 6a7385ed42a60d..903b53ace0f248 100644
--- a/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.shared/thread.lock.shared.locking/unlock.pass.cpp
+++ b/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.shared/thread.lock.shared.locking/unlock.pass.cpp
@@ -7,7 +7,6 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// XFAIL: libcpp-no-exceptions
 // UNSUPPORTED: libcpp-has-no-threads
 // UNSUPPORTED: c++98, c++03, c++11
 
@@ -20,6 +19,8 @@
 #include <shared_mutex>
 #include <cassert>
 
+#include "test_macros.h"
+
 bool unlock_called = false;
 
 struct mutex
@@ -36,6 +37,7 @@ int main()
     lk.unlock();
     assert(unlock_called == true);
     assert(lk.owns_lock() == false);
+#ifndef TEST_HAS_NO_EXCEPTIONS
     try
     {
         lk.unlock();
@@ -45,7 +47,9 @@ int main()
     {
         assert(e.code().value() == EPERM);
     }
+#endif
     lk.release();
+#ifndef TEST_HAS_NO_EXCEPTIONS
     try
     {
         lk.unlock();
@@ -55,4 +59,5 @@ int main()
     {
         assert(e.code().value() == EPERM);
     }
+#endif
 }
diff --git a/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.unique/thread.lock.unique.locking/lock.pass.cpp b/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.unique/thread.lock.unique.locking/lock.pass.cpp
index 6ce33761068f69..cb5c55925eef41 100644
--- a/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.unique/thread.lock.unique.locking/lock.pass.cpp
+++ b/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.unique/thread.lock.unique.locking/lock.pass.cpp
@@ -7,7 +7,6 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// XFAIL: libcpp-no-exceptions
 // UNSUPPORTED: libcpp-has-no-threads
 
 // <mutex>
@@ -21,6 +20,8 @@
 #include <cstdlib>
 #include <cassert>
 
+#include "test_macros.h"
+
 std::mutex m;
 
 typedef std::chrono::system_clock Clock;
@@ -38,6 +39,7 @@ void f()
     assert(lk.owns_lock() == true);
     ns d = t1 - t0 - ms(250);
     assert(d < ms(25));  // within 25ms
+#ifndef TEST_HAS_NO_EXCEPTIONS
     try
     {
         lk.lock();
@@ -47,8 +49,10 @@ void f()
     {
         assert(e.code().value() == EDEADLK);
     }
+#endif
     lk.unlock();
     lk.release();
+#ifndef TEST_HAS_NO_EXCEPTIONS
     try
     {
         lk.lock();
@@ -58,6 +62,7 @@ void f()
     {
         assert(e.code().value() == EPERM);
     }
+#endif
 }
 
 int main()
diff --git a/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.unique/thread.lock.unique.locking/try_lock.pass.cpp b/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.unique/thread.lock.unique.locking/try_lock.pass.cpp
index 27d0562de31ffb..709c56978af80a 100644
--- a/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.unique/thread.lock.unique.locking/try_lock.pass.cpp
+++ b/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.unique/thread.lock.unique.locking/try_lock.pass.cpp
@@ -7,7 +7,6 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// XFAIL: libcpp-no-exceptions
 // UNSUPPORTED: libcpp-has-no-threads
 
 // <mutex>
@@ -19,6 +18,8 @@
 #include <mutex>
 #include <cassert>
 
+#include "test_macros.h"
+
 bool try_lock_called = false;
 
 struct mutex
@@ -39,6 +40,7 @@ int main()
     assert(lk.try_lock() == true);
     assert(try_lock_called == true);
     assert(lk.owns_lock() == true);
+#ifndef TEST_HAS_NO_EXCEPTIONS
     try
     {
         lk.try_lock();
@@ -48,11 +50,13 @@ int main()
     {
         assert(e.code().value() == EDEADLK);
     }
+#endif
     lk.unlock();
     assert(lk.try_lock() == false);
     assert(try_lock_called == false);
     assert(lk.owns_lock() == false);
     lk.release();
+#ifndef TEST_HAS_NO_EXCEPTIONS
     try
     {
         lk.try_lock();
@@ -62,4 +66,5 @@ int main()
     {
         assert(e.code().value() == EPERM);
     }
+#endif
 }
diff --git a/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.unique/thread.lock.unique.locking/try_lock_for.pass.cpp b/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.unique/thread.lock.unique.locking/try_lock_for.pass.cpp
index 6f0a7219d2d8c7..6c981787d4b4ad 100644
--- a/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.unique/thread.lock.unique.locking/try_lock_for.pass.cpp
+++ b/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.unique/thread.lock.unique.locking/try_lock_for.pass.cpp
@@ -7,7 +7,6 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// XFAIL: libcpp-no-exceptions
 // UNSUPPORTED: libcpp-has-no-threads
 
 // <mutex>
@@ -20,6 +19,8 @@
 #include <mutex>
 #include <cassert>
 
+#include "test_macros.h"
+
 bool try_lock_for_called = false;
 
 typedef std::chrono::milliseconds ms;
@@ -44,6 +45,7 @@ int main()
     assert(lk.try_lock_for(ms(5)) == true);
     assert(try_lock_for_called == true);
     assert(lk.owns_lock() == true);
+#ifndef TEST_HAS_NO_EXCEPTIONS
     try
     {
         lk.try_lock_for(ms(5));
@@ -53,11 +55,13 @@ int main()
     {
         assert(e.code().value() == EDEADLK);
     }
+#endif
     lk.unlock();
     assert(lk.try_lock_for(ms(5)) == false);
     assert(try_lock_for_called == false);
     assert(lk.owns_lock() == false);
     lk.release();
+#ifndef TEST_HAS_NO_EXCEPTIONS
     try
     {
         lk.try_lock_for(ms(5));
@@ -67,4 +71,5 @@ int main()
     {
         assert(e.code().value() == EPERM);
     }
+#endif
 }
diff --git a/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.unique/thread.lock.unique.locking/try_lock_until.pass.cpp b/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.unique/thread.lock.unique.locking/try_lock_until.pass.cpp
index b7e87249b59607..57231b207a7269 100644
--- a/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.unique/thread.lock.unique.locking/try_lock_until.pass.cpp
+++ b/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.unique/thread.lock.unique.locking/try_lock_until.pass.cpp
@@ -7,7 +7,6 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// XFAIL: libcpp-no-exceptions
 // UNSUPPORTED: libcpp-has-no-threads
 
 // <mutex>
@@ -20,6 +19,8 @@
 #include <mutex>
 #include <cassert>
 
+#include "test_macros.h"
+
 bool try_lock_until_called = false;
 
 struct mutex
@@ -44,6 +45,7 @@ int main()
     assert(lk.try_lock_until(Clock::now()) == true);
     assert(try_lock_until_called == true);
     assert(lk.owns_lock() == true);
+#ifndef TEST_HAS_NO_EXCEPTIONS
     try
     {
         lk.try_lock_until(Clock::now());
@@ -53,11 +55,13 @@ int main()
     {
         assert(e.code().value() == EDEADLK);
     }
+#endif
     lk.unlock();
     assert(lk.try_lock_until(Clock::now()) == false);
     assert(try_lock_until_called == false);
     assert(lk.owns_lock() == false);
     lk.release();
+#ifndef TEST_HAS_NO_EXCEPTIONS
     try
     {
         lk.try_lock_until(Clock::now());
@@ -67,4 +71,5 @@ int main()
     {
         assert(e.code().value() == EPERM);
     }
+#endif
 }
diff --git a/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.unique/thread.lock.unique.locking/unlock.pass.cpp b/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.unique/thread.lock.unique.locking/unlock.pass.cpp
index 62497c9ec45a10..124ff551f94729 100644
--- a/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.unique/thread.lock.unique.locking/unlock.pass.cpp
+++ b/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.unique/thread.lock.unique.locking/unlock.pass.cpp
@@ -7,7 +7,6 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// XFAIL: libcpp-no-exceptions
 // UNSUPPORTED: libcpp-has-no-threads
 
 // <mutex>
@@ -19,6 +18,8 @@
 #include <mutex>
 #include <cassert>
 
+#include "test_macros.h"
+
 bool unlock_called = false;
 
 struct mutex
@@ -35,6 +36,7 @@ int main()
     lk.unlock();
     assert(unlock_called == true);
     assert(lk.owns_lock() == false);
+#ifndef TEST_HAS_NO_EXCEPTIONS
     try
     {
         lk.unlock();
@@ -44,7 +46,9 @@ int main()
     {
         assert(e.code().value() == EPERM);
     }
+#endif
     lk.release();
+#ifndef TEST_HAS_NO_EXCEPTIONS
     try
     {
         lk.unlock();
@@ -54,4 +58,5 @@ int main()
     {
         assert(e.code().value() == EPERM);
     }
+#endif
 }
diff --git a/libcxx/test/std/thread/thread.mutex/thread.once/thread.once.callonce/call_once.pass.cpp b/libcxx/test/std/thread/thread.mutex/thread.once/thread.once.callonce/call_once.pass.cpp
index 71b054fced8864..138b657196da06 100644
--- a/libcxx/test/std/thread/thread.mutex/thread.once/thread.once.callonce/call_once.pass.cpp
+++ b/libcxx/test/std/thread/thread.mutex/thread.once/thread.once.callonce/call_once.pass.cpp
@@ -7,7 +7,6 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// XFAIL: libcpp-no-exceptions
 // UNSUPPORTED: libcpp-has-no-threads
 
 // <mutex>
@@ -50,12 +49,13 @@ void init3()
     ++init3_called;
     std::this_thread::sleep_for(ms(250));
     if (init3_called == 1)
-        throw 1;
+        TEST_THROW(1);
     ++init3_completed;
 }
 
 void f3()
 {
+#ifndef TEST_HAS_NO_EXCEPTIONS
     try
     {
         std::call_once(flg3, init3);
@@ -63,6 +63,7 @@ void f3()
     catch (...)
     {
     }
+#endif
 }
 
 #ifndef _LIBCPP_HAS_NO_VARIADICS
@@ -197,6 +198,7 @@ int main()
         t1.join();
         assert(init0_called == 1);
     }
+#ifndef TEST_HAS_NO_EXCEPTIONS
     // check basic exception safety
     {
         std::thread t0(f3);
@@ -206,6 +208,7 @@ int main()
         assert(init3_called == 2);
         assert(init3_completed == 1);
     }
+#endif
     // check deadlock avoidance
     {
         std::thread t0(f41);