--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/stack-check-6a.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,19 @@
+/* The goal here is to verify that increasing the size of the guard allows
+   elimination of all probing on the relevant targets.  */
+   
+/* { dg-do compile  } */
+/* { dg-options "-O2 -fstack-clash-protection -fdump-rtl-pro_and_epilogue -fno-optimize-sibling-calls --param stack-clash-protection-probe-interval=12 --param stack-clash-protection-guard-size=16" } */
+/* { dg-require-effective-target supports_stack_clash_protection  } */
+/* { dg-skip-if "" { *-*-* } { "-fstack-protector" } { "" } } */
+
+
+#include "stack-check-6.c"
+
+/* { dg-final { scan-rtl-dump-times "Stack clash inline probes" 0 "pro_and_epilogue" } } */
+/* { dg-final { scan-rtl-dump-times "Stack clash probe loop" 0 "pro_and_epilogue" } } */
+/* { dg-final { scan-rtl-dump-times "Stack clash residual allocation in prologue" 4 "pro_and_epilogue" } } */
+/* { dg-final { scan-rtl-dump-times "Stack clash not noreturn" 4 "pro_and_epilogue" } } */
+
+/* { dg-final { scan-rtl-dump-times "Stack clash no frame pointer needed" 4 "pro_and_epilogue" { target { ! frame_pointer_for_non_leaf } } } } */
+/* { dg-final { scan-rtl-dump-times "Stack clash no frame pointer needed" 2 "pro_and_epilogue" { target { frame_pointer_for_non_leaf } } } } */
+/* { dg-final { scan-rtl-dump-times "Stack clash frame pointer needed" 2 "pro_and_epilogue" { target { frame_pointer_for_non_leaf } } } } */