1 files changed, 26 insertions, 0 deletions
diff --git a/test/std/re/re.regex/re.regex.assign/string.pass.cpp b/test/std/re/re.regex/re.regex.assign/string.pass.cpp
new file mode 100644
index 0000000000000..7f09e5364ac41
--- /dev/null
+++ b/test/std/re/re.regex/re.regex.assign/string.pass.cpp
@@ -0,0 +1,26 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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 charT, class traits = regex_traits<charT>> class basic_regex;
+
+// template <class ST, class SA>
+//    basic_regex& operator=(const basic_string<charT, ST, SA>& p);
+
+#include <regex>
+#include <cassert>
+
+int main()
+{
+    std::regex r2;
+    r2 = std::string("(a([bc]))");
+    assert(r2.flags() == std::regex::ECMAScript);
+    assert(r2.mark_count() == 2);
+}