Run closed_world2_test using the normal compiler pipeline.

pkg/compiler/lib/src/deferred_load.dart

Index: pkg/compiler/lib/src/deferred_load.dart
diff --git a/pkg/compiler/lib/src/deferred_load.dart b/pkg/compiler/lib/src/deferred_load.dart
index 66e73c309adc9454905ccbf67559661f267a9644..3f003a5b6bbc7d3d80d4522543bab95cb813a382 100644
--- a/pkg/compiler/lib/src/deferred_load.dart
+++ b/pkg/compiler/lib/src/deferred_load.dart
@@ -32,6 +32,7 @@ import 'elements/elements.dart'
         PrefixElement,
         ResolvedAstKind,
         TypedefElement;
+import 'elements/entities.dart';
 import 'js_backend/js_backend.dart' show JavaScriptBackend;
 import 'js_backend/backend_usage.dart' show BackendUsage;
 import 'resolution/resolution.dart' show AnalyzableElementX;
@@ -661,13 +662,14 @@ class DeferredLoadTask extends CompilerTask {
     }
   }
 
-  void onResolutionComplete(FunctionElement main) {
+  void onResolutionComplete(FunctionEntity main) {
     if (!isProgramSplit) {
       allOutputUnits.add(mainOutputUnit);
       return;
     }
     if (main == null) return;
-    LibraryElement mainLibrary = main.library;
+    MethodElement mainMethod = main;
+    LibraryElement mainLibrary = mainMethod.library;
     _importedDeferredBy = new Map<_DeferredImport, Set<Element>>();
     _constantsDeferredBy = new Map<_DeferredImport, Set<ConstantValue>>();
     _importedDeferredBy[_fakeMainImport] = _mainElements;
@@ -677,8 +679,7 @@ class DeferredLoadTask extends CompilerTask {
         () => measure(() {
               // Starting from main, traverse the program and find all
               // dependencies.
-              _mapDependencies(
-                  element: compiler.mainFunction, import: _fakeMainImport);
+              _mapDependencies(element: mainMethod, import: _fakeMainImport);
 
               // Also add "global" dependencies to the main OutputUnit.  These
               // are things that the backend needs but cannot associate with a
@@ -771,6 +772,8 @@ class DeferredLoadTask extends CompilerTask {
 
   void beforeResolution(Compiler compiler) {
     if (compiler.mainApp == null) return;
+    // TODO(johnniwinther): Support deferred load for kernel based elements.
+    if (compiler.options.loadFromDill) return;
     _allDeferredImports[_fakeMainImport] = compiler.mainApp;
     var lastDeferred;
     // When detecting duplicate prefixes of deferred libraries there are 4