fix(Compiler): asynchronous error reporting

Author: vicb

modules/angular2/src/core/compiler/compiler.js

@@ -199,10 +199,10 @@ export class Compiler {
     var protoView = this._compile(ce.componentDirective.type);
 
     if (PromiseWrapper.isPromise(protoView)) {
-      ListWrapper.push(promises, protoView);
-      protoView.then(function (protoView) {
-        ce.inheritedElementBinder.nestedProtoView = protoView;
-      });
+      ListWrapper.push(
+        promises,
+        protoView.then(function(pv) { ce.inheritedElementBinder.nestedProtoView = pv;})
+      );
     } else {
       ce.inheritedElementBinder.nestedProtoView = protoView;
     }

modules/angular2/test/core/compiler/compiler_common_tests.js

@@ -229,19 +229,17 @@ export function runCompilerCommonTests() {
       createNestedComponentSpec('(error -> sync)', templateResolver,
         'Failed to load the template for ParentComponent');
 
-      // TODO(vicb): Check why errors this fails with Dart
-      // TODO(vicb): The Promise is rejected with the correct error but an exc is thrown before
-      //templateResolver = new FakeTemplateResolver();
-      //templateResolver.setSync(ParentComponent);
-      //templateResolver.setError(NestedComponent);
-      //createNestedComponentSpec('(sync -> error)', templateResolver,
-      //  'Failed to load the template for NestedComponent -> Failed to compile ParentComponent');
-      //
-      //templateResolver = new FakeTemplateResolver();
-      //templateResolver.setAsync(ParentComponent);
-      //templateResolver.setError(NestedComponent);
-      //createNestedComponentSpec('(async -> error)', templateResolver,
-      //  'Failed to load the template for NestedComponent -> Failed to compile ParentComponent');
+      templateResolver = new FakeTemplateResolver();
+      templateResolver.setSync(ParentComponent);
+      templateResolver.setError(NestedComponent);
+      createNestedComponentSpec('(sync -> error)', templateResolver,
+        'Failed to load the template for NestedComponent -> Failed to compile ParentComponent');
+
+      templateResolver = new FakeTemplateResolver();
+      templateResolver.setAsync(ParentComponent);
+      templateResolver.setError(NestedComponent);
+      createNestedComponentSpec('(async -> error)', templateResolver,
+        'Failed to load the template for NestedComponent -> Failed to compile ParentComponent');
 
     });