Add a testcase for PR middle-end/47364.

2011-08-05  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/47364
	* gcc.dg/torture/pr47364-1.c: New.

From-SVN: r177487

gcc/testsuite/ChangeLog

+2011-08-05  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR middle-end/47364
+	* gcc.dg/torture/pr47364-1.c: New.
+
 2011-08-05  Thomas Koenig  <tkoenig@gcc.gnu.org>
 
 	PR fortran/37221

gcc/testsuite/gcc.target/i386/pr47364-1.c

+/* { dg-do compile } */
+/* { dg-options "-O" } */
+
+static unsigned char foo[256];
+
+arc4_init(void)
+{
+  int n;
+
+  for (n = 0; n < 256; n++)
+    foo[n] = n;
+}