--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/pubtypes-3.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,84 @@
+/* { dg-do compile { target *-*-darwin* } } */
+/* { dg-options "-O0 -gdwarf-2 -dA" } */
+/* { dg-skip-if "Unmatchable assembly" { mmix-*-* } } */
+/* { dg-final { scan-assembler "__debug_pubtypes" } } */
+/* { dg-final { scan-assembler "long+\[ \t\]+0x13b+\[ \t\]+\[#;]+\[ \t\]+Pub Info Length" } } */
+/* { dg-final { scan-assembler "used_struct\\\\0\"+\[ \t\]+\[#;]+\[ \t\]+external name" } } */
+/* { dg-final { scan-assembler-not "unused_struct\\\\0\"+\[ \t\]+\[#;]+\[ \t\]+external name" } } */
+/* { dg-final { scan-assembler-not "\"list_name_type\\\\0\"+\[ \t\]+\[#;]+\[ \t\]+external name" } } */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+struct used_struct 
+{
+  int key;
+  char *name;
+};
+
+struct unused_struct
+{
+  int key1;
+  int f2;
+  double f3;
+  char *f4;
+  struct unused_struct *next;
+};
+
+void 
+foo (struct used_struct *list)
+{
+  enum list_name_type {
+    boy_name,
+    girl_name,
+    unknown
+  };
+
+  int b_count = 0;
+  int g_count = 0;
+  int i;
+  enum list_name_type *enum_list;
+
+  enum_list = (enum list_name_type *) malloc (10 * sizeof (enum list_name_type));
+  
+  for (i = 0; i < 10; i++)
+    {
+      if (strncmp (list[i].name, "Alice", 5) == 0)
+	{
+	  enum_list[i] = girl_name;
+	  g_count++;
+	}
+      else if (strncmp (list[i].name, "David", 5) == 0)
+	{
+	  enum_list[i] = boy_name;
+	  b_count++;
+	}
+      else
+	enum_list[i] = unknown;
+    }
+
+}
+
+int
+main (int argc, char **argv)
+{
+  int i;
+  struct used_struct *my_list;
+
+  my_list = (struct used_struct *) malloc (10 * sizeof (struct used_struct));
+  
+  for (i = 0; i < 10; i++)
+    {
+      my_list[i].key = i;
+      my_list[i].name = (char *) malloc (11);
+      sprintf (my_list[i].name, "Alice_%d", i);
+    }
+
+  foo (my_list);
+
+  for (i = 0; i < 10; i++)
+    fprintf (stdout, "Key: %d, Name: %s\n", my_list[i].key, my_list[i].name);
+  
+  return 0;
+}