Correct file names for tests in tests/language.

tests/language/optimize_redundant_array_load.dart

Index: tests/language/optimize_redundant_array_load.dart
===================================================================
--- tests/language/optimize_redundant_array_load.dart	(revision 15191)
+++ tests/language/optimize_redundant_array_load.dart	(working copy)
@@ -1,29 +0,0 @@
-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// Test optimization of redundant array loads.
-
-var A = [0,2,3];
-
-test1(a) {
-  int x = a[0];
-  int y = a[1];
-  ++a[0];
-  return a[0] + y + a[2];
-}
-
-
-int test2(a) {
-  return a[2] + a[2];
-}
-
-
-main() {
-  for (int i = 0; i < 10000; i++) {
-    test1(A);
-    test2(A);
-  }
-  Expect.equals(10006, test1(A));
-  Expect.equals(6, test2(A));
-}