--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/stackprotectexplicit1.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,23 @@
+/* { dg-do run { target native } } */
+/* { dg-options "-fstack-protector-explicit" } */
+/* { dg-require-effective-target fstack_protector } */
+
+#include <stdlib.h>
+
+void
+__stack_chk_fail (void)
+{
+  exit (0); /* pass */
+}
+
+int __attribute__((stack_protect)) main ()
+{
+  int i;
+  char foo[255];
+
+  // smash stack
+  for (i = 0; i <= 400; i++)
+    foo[i] = 42;
+
+  return 1; /* fail */
+}