Check for duplicate library names

test/codegen/expect/html_input.html

Index: test/codegen/expect/html_input.html
diff --git a/test/codegen/expect/html_input.html b/test/codegen/expect/html_input.html
index f2ef672e7648b4e7d3c19e388c83a20d1fc22f3f..3759a2874c633ad5cca3fb24b7e1e4410903b80c 100644
--- a/test/codegen/expect/html_input.html
+++ b/test/codegen/expect/html_input.html
@@ -5,23 +5,23 @@
 <script src="dev_compiler/runtime/dart/collection.js"></script>
 <script src="dev_compiler/runtime/dart/_internal.js"></script>
 <script src="dev_compiler/runtime/dart/math.js"></script>
+<script src="dev_compiler/runtime/dart/_interceptors.js"></script>
 <script src="dev_compiler/runtime/dart/async.js"></script>
 <script src="dev_compiler/runtime/dart/_foreign_helper.js"></script>
 <script src="dev_compiler/runtime/dart/_js_embedded_names.js"></script>
 <script src="dev_compiler/runtime/dart/_js_helper.js"></script>
 <script src="dev_compiler/runtime/dart/isolate.js"></script>
 <script src="dev_compiler/runtime/dart/typed_data.js"></script>
+<script src="dev_compiler/runtime/dart/_native_typed_data.js"></script>
 <script src="dev_compiler/runtime/dart/_isolate_helper.js"></script>
 <script src="dev_compiler/runtime/dart/_js_primitives.js"></script>
-<script src="dev_compiler/runtime/dart/_interceptors.js"></script>
 <script src="dev_compiler/runtime/dart/convert.js"></script>
-<script src="dev_compiler/runtime/dart/_native_typed_data.js"></script>
 <script src="dir/html_input_d.js"></script>
 <script src="dir/html_input_b.js"></script>
 <script src="dir/html_input_e.js"></script>
 <script src="dir/html_input_c.js"></script>
 <script src="dir/html_input_a.js"></script>
-<script>_isolate_helper.startRootIsolate(html_input_a.main, []);</script>
+<script>dart.start('dir/html_input_a');</script>
 
 
 </body></html>