--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/guality/zero-length-array.c	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,21 @@
+/* PR debug/86985 */
+/* { dg-do run } */
+/* { dg-options "-g" } */
+
+struct {
+  int foo;
+  int bar[0];
+} zla; /* Zero length array.  */
+
+struct {
+  int foo;
+  int bar[];
+} fam; /* Flexible array member.  */
+
+int
+main ()
+{
+  /* { dg-final { gdb-test . "type:zla" "struct { int foo; int bar[0]; }" } } */
+  /* { dg-final { gdb-test . "type:fam" "struct { int foo; int bar[]; }" } } */
+  return 0;
+}