70564 fix newly-added tests for not_fn

	PR libstdc++/70564
	* testsuite/20_util/not_fn/1.cc: Fix test.
	* testsuite/experimental/functional/not_fn.cc: Likewise.

From-SVN: r240784

libstdc++-v3/ChangeLog

 2016-10-05  Jonathan Wakely  <jwakely@redhat.com>
 
+	PR libstdc++/70564
+	* testsuite/20_util/not_fn/1.cc: Fix test.
+	* testsuite/experimental/functional/not_fn.cc: Likewise.
+
 	PR libstdc++/70101
 	* include/bits/stl_queue.h (priority_queue): Fix allocator-extended
 	constructors.

libstdc++-v3/testsuite/20_util/not_fn/1.cc

@@ -87,7 +87,8 @@ test04()
 void
 test05()
 {
-  auto nf{ std::not_fn([] { return false; }) };
+  auto nf = std::not_fn([] { return false; });
+  auto copy(nf); // PR libstdc++/70564
 }
 
 int

libstdc++-v3/testsuite/experimental/functional/not_fn.cc

@@ -87,7 +87,8 @@ test04()
 void
 test05()
 {
-  auto nf{ not_fn([] { return false; }) };
+  auto nf = std::experimental::not_fn([] { return false; });
+  auto copy(nf); // PR libstdc++/70564
 }
 
 int