Infra for running lib tests

test/codegen/lib/typed_data/typed_data_load_test.dart

Index: test/codegen/lib/typed_data/typed_data_load_test.dart
diff --git a/test/codegen/lib/typed_data/typed_data_load_test.dart b/test/codegen/lib/typed_data/typed_data_load_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..55a08084417606791f94b95fbf7f9946916ab97d
--- /dev/null
+++ b/test/codegen/lib/typed_data/typed_data_load_test.dart
@@ -0,0 +1,22 @@
+// Copyright (c) 2013, 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 that the compiler's load elimination phase does not re-use the
+// value that was stored in a typed array.
+
+import "dart:typed_data";
+
+main() {
+  var list = new Int8List(1);
+  list[0] = 300;
+  if (list[0] != 44) {
+    throw 'Test failed';
+  }
+
+  var a = list[0];
+  list[0] = 0;
+  if (list[0] != 0) {
+    throw 'Test failed';
+  }
+}