--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/ucnid-9.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,25 @@
+/* Test __func__ with extended identifiers and character set
+   conversions.  */
+/* { dg-do run } */
+/* { dg-xfail-if "" { "powerpc-ibm-aix*" } } */
+/* { dg-skip-if "" { ! ucn } } */
+/* { dg-options "-std=c99 -fexec-charset=ISO-8859-1 -g" } */
+/* { dg-require-iconv "ISO-8859-1" } */
+
+extern int strcmp (const char *, const char *);
+extern void abort (void);
+extern void exit (int);
+
+void
+\u00e9 (void)
+{
+  if (strcmp (__func__, "\u00e9") != 0)
+    abort ();
+}
+
+int
+main (void)
+{
+  \u00e9 ();
+  exit (0);
+}