avx2-vpop-check.h: volatility is casted away in memcmp().

	* gcc.target/i386/avx2-vpop-check.h: volatility is casted away in
       	memcmp().

From-SVN: r198055

gcc/testsuite/ChangeLog

+2013-04-18  Grigoriy Kraynov  <grigoriy.kraynov@intel.com>
+
+	* gcc.target/i386/avx2-vpop-check.h: volatility is casted away in
+	memcmp().
+
 2013-04-18  Jakub Jelinek  <jakub@redhat.com>
 
 	PR tree-optimization/56984

gcc/testsuite/gcc.target/i386/avx2-vpop-check.h

@@ -47,7 +47,9 @@ avx2_test (void)
       gen_pop ();
       check_pop ();
 
-      if (memcmp (c, c_ref, SIZE * sizeof (TYPE)))
+      /* We need to cast away volatility from c_ref here in order to eliminate
+	 warning if libc version of memcpy is used here.  */
+      if (memcmp (c, (void *) c_ref, SIZE * sizeof (TYPE)))
 	abort();
     }
 }