Dart2js deferred loading. Follow types of functions when calculating dependencies.

pkg/compiler/lib/src/resolution/members.dart

Index: pkg/compiler/lib/src/resolution/members.dart
diff --git a/pkg/compiler/lib/src/resolution/members.dart b/pkg/compiler/lib/src/resolution/members.dart
index 40ed27de0c4b60a5300c91a46f189696eb0f90cf..88252e5e04d55152fb556c1cacced7b17d78194e 100644
--- a/pkg/compiler/lib/src/resolution/members.dart
+++ b/pkg/compiler/lib/src/resolution/members.dart
@@ -3152,8 +3152,8 @@ class ResolverVisitor extends MappingVisitor<ResolutionResult> {
                              MessageKind.CANNOT_RETURN_FROM_CONSTRUCTOR);
       } else if (!node.isArrowBody && currentAsyncMarker.isYielding) {
         compiler.reportError(
-            node, 
-            MessageKind.RETURN_IN_GENERATOR, 
+            node,
+            MessageKind.RETURN_IN_GENERATOR,
             {'modifier': currentAsyncMarker});
       }
     }
@@ -4427,8 +4427,8 @@ class ClassResolverVisitor extends TypeDefinitionVisitor {
 
   FunctionElement createForwardingConstructor(ConstructorElement target,
                                               ClassElement enclosing) {
-    return new SynthesizedConstructorElementX(
-        target.name, target, enclosing, false);
+    return new SynthesizedConstructorElementX.notForDefault(
+        target.name, target, enclosing);
   }
 
   void doApplyMixinTo(MixinApplicationElementX mixinApplication,