1 files changed, 33 insertions, 0 deletions
diff --git a/libcxx/test/std/re/re.submatch/re.submatch.members/default.pass.cpp b/libcxx/test/std/re/re.submatch/re.submatch.members/default.pass.cpp
new file mode 100644
index 00000000000..451466af83c
--- /dev/null
+++ b/libcxx/test/std/re/re.submatch/re.submatch.members/default.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.
+//
+//===----------------------------------------------------------------------===//
+
+// <regex>
+
+// template <class BidirectionalIterator> class sub_match;
+
+// constexpr sub_match();
+
+#include <regex>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef char CharT;
+        typedef std::sub_match<const CharT*> SM;
+        SM sm;
+        assert(sm.matched == false);
+    }
+    {
+        typedef wchar_t CharT;
+        typedef std::sub_match<const CharT*> SM;
+        SM sm;
+        assert(sm.matched == false);
+    }
+}