Move test into test/std subdirectory.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@224658 91177308-0d34-0410-b5e6-96231b3b80d8

test/std/containers/container.adaptors/stack/stack.defn/assign_copy.pass.cpp

@@ -0,0 +1,33 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <stack>
+
+// stack& operator=(const stack& q);
+
+#include <stack>
+#include <cassert>
+
+template <class C>
+C
+make(int n)
+{
+    C c;
+    for (int i = 0; i < n; ++i)
+        c.push_back(i);
+    return c;
+}
+
+int main()
+{
+    std::stack<int> q(make<std::deque<int> >(5));
+    std::stack<int> q2;
+    q2 = q;
+    assert(q2 == q);
+}