Initial implementation of <dynarray>. No allocator support pending resolution of LWG #2235; no stack allocation pending compiler support

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@190697 91177308-0d34-0410-b5e6-96231b3b80d8

test/containers/sequences/dynarray/dynarray.traits/default.pass.cpp

@@ -0,0 +1,29 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// dynarray.data
+
+// template <class Type, class Alloc>
+//   struct uses_allocator<dynarray<Type>, Alloc> : true_type { };
+
+  
+#include <__config>
+
+#if _LIBCPP_STD_VER > 11
+
+#include <dynarray>
+#include "../../../test_allocator.h"
+
+int main()
+{
+    static_assert ( std::uses_allocator<std::dynarray<int>, test_allocator<int>>::value, "" );
+}
+#else
+int main() {}
+#endif