1 files changed, 24 insertions, 0 deletions
diff --git a/libcxx/test/std/utilities/memory/util.dynamic.safety/declare_reachable.pass.cpp b/libcxx/test/std/utilities/memory/util.dynamic.safety/declare_reachable.pass.cpp
new file mode 100644
index 00000000000..3f0bcead9be
--- /dev/null
+++ b/libcxx/test/std/utilities/memory/util.dynamic.safety/declare_reachable.pass.cpp
@@ -0,0 +1,24 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <memory>
+
+// void declare_reachable(void* p);
+// template <class T> T* undeclare_reachable(T* p);
+
+#include <memory>
+#include <cassert>
+
+int main()
+{
+    int* p = new int;
+    std::declare_reachable(p);
+    assert(std::undeclare_reachable(p) == p);
+    delete p;
+}