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 6b5db9e5cd5dbc22500638903e56621f303997ec..530e461c9f75c19c8485c4797636759593d7a2f5 100644
--- a/test/codegen/expect/html_input.html
+++ b/test/codegen/expect/html_input.html
@@ -5,6 +5,7 @@
 <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>
@@ -12,17 +13,16 @@
 <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.js');</script>
 
 
 </body></html>