Index: test/std/experimental/optional/optional.specalg/swap.pass.cpp
===================================================================
--- test/std/experimental/optional/optional.specalg/swap.pass.cpp
+++ test/std/experimental/optional/optional.specalg/swap.pass.cpp
@@ -8,7 +8,6 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++98, c++03, c++11
-// XFAIL: libcpp-no-exceptions
 // <optional>
 
 // template <class T> void swap(optional<T>& x, optional<T>& y)
@@ -18,6 +17,8 @@
 #include <type_traits>
 #include <cassert>
 
+#include "test_macros.h"
+
 using std::experimental::optional;
 
 class X
@@ -55,10 +56,10 @@
     int i_;
 public:
     Z(int i) : i_(i) {}
-    Z(Z&&) {throw 7;}
+    Z(Z&&) {TEST_THROW(7);}
 
     friend constexpr bool operator==(const Z& x, const Z& y) {return x.i_ == y.i_;}
-    friend void swap(Z& x, Z& y) {throw 6;}
+    friend void swap(Z& x, Z& y) {TEST_THROW(6);}
 };
 
 int main()
@@ -221,6 +222,7 @@
         assert(static_cast<bool>(opt2) == true);
         assert(*opt2 == 1);
     }
+#ifndef TEST_HAS_NO_EXCEPTIONS
     {
         optional<Z> opt1;
         optional<Z> opt2;
@@ -297,4 +299,5 @@
         assert(static_cast<bool>(opt2) == true);
         assert(*opt2 == 2);
     }
+#endif  // TEST_HAS_NO_EXCEPTIONS
 }