--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/stack-check-7.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,36 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -fstack-clash-protection -fno-optimize-sibling-calls --param stack-clash-protection-probe-interval=12 --param stack-clash-protection-guard-size=12" } */
+/* { dg-require-effective-target supports_stack_clash_protection } */
+
+/* For further testing, this can be run under valgrind where it's crashed
+   on aarch64 and ppc64le with -fstack-check=specific.  */
+
+
+__attribute__((noinline, noclone)) void
+foo (char *p)
+{
+  asm volatile ("" : : "r" (p) : "memory");
+}
+
+__attribute__((noinline, noclone)) void
+bar (void)
+{
+  char buf[131072];
+  foo (buf);
+}
+
+__attribute__((noinline, noclone)) void
+baz (void)
+{
+  char buf[12000];
+  foo (buf);
+}
+
+int
+main ()
+{
+  bar ();
+  baz ();
+  return 0;
+}
+