Handle NewExpression in SemanticSendVisitor.

pkg/analyzer2dart/lib/src/modely.dart

Index: pkg/analyzer2dart/lib/src/modely.dart
diff --git a/pkg/analyzer2dart/lib/src/modely.dart b/pkg/analyzer2dart/lib/src/modely.dart
index 493b58da45a0d94815a57436aec4583cb7de788c..19c8b534df39929744a0485bab28b484d4d48906 100644
--- a/pkg/analyzer2dart/lib/src/modely.dart
+++ b/pkg/analyzer2dart/lib/src/modely.dart
@@ -169,9 +169,6 @@ class ElementY extends dart2js.Element {
   }
 
   @override
-  void setFixedBackendName(String name) => unsupported('setFixedBackendName');
-
-  @override
   void setNative(String name) => unsupported('setNative');
 
   String toString() => '$kind($name)';
@@ -830,6 +827,10 @@ class ConstructorElementY extends ElementY
   @override
   bool get isRedirectingFactory => false;
 
+  // TODO(johnniwinther): Support redirecting generative constructors.
+  @override
+  bool get isRedirectingGenerative => false;
+
   @override
   bool get isStatic => false;