re PR tree-optimization/48571 (Missed data-dependence for (bogus?) reconstructed array-refs)

	PR middle-end/48571
	* gcc.c-torture/execute/pr48571-1.c (bar): Use offsets sizeof(int)
	instead of 4.

From-SVN: r178655

gcc/testsuite/ChangeLog

+2011-09-07  Georg-Johann Lay  <avr@gjlay.de>
+
+	PR middle-end/48571
+	* gcc.c-torture/execute/pr48571-1.c (bar): Use offsets sizeof(int)
+	instead of 4.
+	
 2011-09-07  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/50309

gcc/testsuite/gcc.c-torture/execute/pr48571-1.c

+#define S (sizeof (int))
+
 unsigned int c[624];
 void __attribute__((noinline))
 bar (void)
@@ -5,9 +7,9 @@ bar (void)
   unsigned int i;
   /* Obfuscated c[i] = c[i-1] * 2.  */
   for (i = 1; i < 624; ++i)
-    *(unsigned int *)((void *)c + (__SIZE_TYPE__)i * 4)
+    *(unsigned int *)((void *)c + (__SIZE_TYPE__)i * S)
 	= 2 * *(unsigned int *)((void *)c + ((__SIZE_TYPE__)i +
-					     ((__SIZE_TYPE__)-4)/4) * 4);
+					     ((__SIZE_TYPE__)-S)/S) * S);
 }
 extern void abort (void);
 int