Everything under [re.regex]

llvm-svn: 111024
diff --git a/libcxx/test/re/re.regex/re.regex.assign/copy.pass.cpp b/libcxx/test/re/re.regex/re.regex.assign/copy.pass.cpp
new file mode 100644
index 0000000..ca865e4
--- /dev/null
+++ b/libcxx/test/re/re.regex/re.regex.assign/copy.pass.cpp
@@ -0,0 +1,26 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <regex>
+
+// template <class charT, class traits = regex_traits<charT>> class basic_regex;
+
+// basic_regex& operator=(const basic_regex& e);
+
+#include <regex>
+#include <cassert>
+
+int main()
+{
+    std::regex r1("(a([bc]))");
+    std::regex r2;
+    r2 = r1;
+    assert(r2.flags() == std::regex::ECMAScript);
+    assert(r2.mark_count() == 2);
+}