stack-check-5.c: Skip with -fstack-protector.

	* gcc.dg/stack-check-5.c: Skip with -fstack-protector.
	* gcc.dg/stack-check-6.c: Likewise.
	* gcc.dg/stack-check-6a.c: Likewise.

From-SVN: r253527

gcc/testsuite/ChangeLog

+2017-10-03  Jeff Law  <law@redhat.com>
+
+	* gcc.dg/stack-check-5.c: Skip with -fstack-protector.
+	* gcc.dg/stack-check-6.c: Likewise.
+	* gcc.dg/stack-check-6a.c: Likewise.
+
 2017-10-07  Michael Collison <michael.collison@arm.com>
 
 	* gcc.target/aarch64/var_shift_mask_2.c: New test.

gcc/testsuite/gcc.dg/stack-check-5.c

 /* { 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=12" } */
 /* { dg-require-effective-target supports_stack_clash_protection } */
+/* { dg-skip-if "" { *-*-* } { "-fstack-protector" } { "" } } */
 
 
 /* Otherwise the S/390 back-end might save the stack pointer in f2 ()

gcc/testsuite/gcc.dg/stack-check-6.c

 /* { 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=12" } */
 /* { dg-require-effective-target supports_stack_clash_protection } */
+/* { dg-skip-if "" { *-*-* } { "-fstack-protector" } { "" } } */
 
 
 extern void foo (char *);

gcc/testsuite/gcc.dg/stack-check-6a.c

@@ -4,6 +4,8 @@
 /* { 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"