targhooks.c (default_stack_protect_guard): Avoid sharing RTL for __stack_chk_guard.

	* targhooks.c (default_stack_protect_guard): Avoid sharing RTL
	for __stack_chk_guard.

	* gcc.target/m68k/20100512-1.c: New.

From-SVN: r159310

1 files changed, 16 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.target/m68k/20100512-1.c b/gcc/testsuite/gcc.target/m68k/20100512-1.c
new file mode 100644
index 00000000000..d07bb519abc
--- /dev/null
+++ b/gcc/testsuite/gcc.target/m68k/20100512-1.c
@@ -0,0 +1,16 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fstack-protector" } */
+/* { dg-require-effective-target fstack_protector } */
+/* There should be 2 references to __stack_chk_guard in every function.  */
+/* { dg-final { scan-assembler-times "__stack_chk_guard" 4 } } */
+
+#include <stdlib.h>
+#include <string.h>
+void doTest1(void) {
+  volatile char foo[10];
+  memset((void *)foo, 1, 100);
+}
+void doTest2(void) {
+  volatile char foo[10];
+  memset((void *)foo, 1, 100);
+}