Fix C++03 build.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@274274 91177308-0d34-0410-b5e6-96231b3b80d8

test/std/containers/unord/unord.map/unord.map.cnstr/compare_copy_constructible.fail.cpp

@@ -7,6 +7,9 @@
 //
 //===----------------------------------------------------------------------===//
 
+// UNSUPPORTED: c++98, c++03
+// The test requires access control SFINAE.
+
 // <unordered_map>
 
 // Check that std::unordered_map fails to instantiate if the comparison predicate is 

test/std/containers/unord/unord.map/unord.map.cnstr/hash_copy_constructible.fail.cpp

@@ -7,6 +7,9 @@
 //
 //===----------------------------------------------------------------------===//
 
+// UNSUPPORTED: c++98, c++03
+// The test requires access control SFINAE.
+
 // <unordered_map>
 
 // Check that std::unordered_map fails to instantiate if the hash function is 
@@ -21,7 +24,7 @@ struct Hash {
 	Hash () {}
 private:
 	Hash (const Hash &); // declared but not defined
-	};
+};
 
 
 int main() {

test/std/containers/unord/unord.multimap/unord.multimap.cnstr/compare_copy_constructible.fail.cpp

@@ -7,6 +7,9 @@
 //
 //===----------------------------------------------------------------------===//
 
+// UNSUPPORTED: c++98, c++03
+// The test requires access control SFINAE.
+
 // <unordered_map>
 
 // Check that std::unordered_multimap fails to instantiate if the comparison predicate is 

test/std/containers/unord/unord.multimap/unord.multimap.cnstr/hash_copy_constructible.fail.cpp

@@ -7,6 +7,9 @@
 //
 //===----------------------------------------------------------------------===//
 
+// UNSUPPORTED: c++98, c++03
+// The test requires access control SFINAE.
+
 // <unordered_map>
 
 // Check that std::unordered_multimap fails to instantiate if the hash function is 

test/std/thread/futures/futures.overview/future_errc.pass.cpp

@@ -9,6 +9,9 @@
 //
 // UNSUPPORTED: libcpp-has-no-threads
 
+// UNSUPPORTED: c++98, c++03
+// Libc++'s enum class emulation does not allow static_cast<Enum>(0) to work.
+
 // <future>
 
 // enum class future_errc