Add test case that ensures that the VM can compile all of the code

tests/standalone/src/io/CompileAllTest.dart

Index: tests/standalone/src/io/CompileAllTest.dart
diff --git a/tests/standalone/src/io/CompileAllTest.dart b/tests/standalone/src/io/CompileAllTest.dart
new file mode 100644
index 0000000000000000000000000000000000000000..88e09f8d23d397c6ba2967da2091558da845a886
--- /dev/null
+++ b/tests/standalone/src/io/CompileAllTest.dart
@@ -0,0 +1,12 @@
+// 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 that ensures that the VM can compile all the code in the dart:io
+// library.
+//
+// VMOptions=--compile_all
+
+#import("dart:io");
+
+main() => null;