--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/ext/utf-cxx0x.C	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,13 @@
+/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
+/* Test parsing of u and U prefixes when also used as macros. */
+/* { dg-do compile { target c++11 } } */
+
+#define u	L
+#define U	L
+
+const unsigned short	c2	= u'a';
+const unsigned long	c3	= U'a';
+const void		*s0	= u"a";
+const void		*s1	= U"a";
+
+int main () {}