re PR testsuite/55504 (gcc.c-torture/execute/20071018-1.c execution failures…

re PR testsuite/55504 (gcc.c-torture/execute/20071018-1.c execution failures with -fsanitize=address)

	PR testsuite/55504
	* gcc.c-torture/execute/20071018-1.c (foo): Add noinline/noclone
	attributes.  Avoid clobbering memory before malloced chunk.
	(main): Pass 1 instead of 0 as argument.

From-SVN: r193898

gcc/testsuite/ChangeLog

+2012-11-28  Jakub Jelinek  <jakub@redhat.com>
+
+	PR testsuite/55504
+	* gcc.c-torture/execute/20071018-1.c (foo): Add noinline/noclone
+	attributes.  Avoid clobbering memory before malloced chunk.
+	(main): Pass 1 instead of 0 as argument.
+
 2012-11-28  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* gnat.dg/object_overflow.adb: Rename to...

gcc/testsuite/gcc.c-torture/execute/20071018-1.c

@@ -13,11 +13,11 @@ void __attribute__((noinline)) bar(struct foo **f)
 {
   *f = __builtin_malloc(sizeof(struct foo));
 }
-struct foo * foo(int rank)
+struct foo * __attribute__((noinline, noclone)) foo(int rank)
 {
   void *x = __builtin_malloc(sizeof(struct mem));
   struct mem *as = x;
-  struct foo **upper = &as->x[rank * 8 - 1];
+  struct foo **upper = &as->x[rank * 8 - 5];
   *upper = 0;
   bar(upper);
   return *upper;
@@ -25,7 +25,7 @@ struct foo * foo(int rank)
 
 int main()
 {
-  if (foo(0) == 0)
+  if (foo(1) == 0)
     abort ();
   return 0;
 }