WIP: Compute constant expressions in resolution.

pkg/compiler/lib/src/js_backend/constant_emitter.dart

Index: pkg/compiler/lib/src/js_backend/constant_emitter.dart
diff --git a/pkg/compiler/lib/src/js_backend/constant_emitter.dart b/pkg/compiler/lib/src/js_backend/constant_emitter.dart
index 5b87b15b7854b9530c326d914669e032382792f6..c480ae0f198424a8b3d6d84b19631760b0ed9e70 100644
--- a/pkg/compiler/lib/src/js_backend/constant_emitter.dart
+++ b/pkg/compiler/lib/src/js_backend/constant_emitter.dart
@@ -66,6 +66,11 @@ class ConstantEmitter
     return new jsAst.LiteralNull();
   }
 
+  @override
+  jsAst.Expression visitNonConstant(NonConstantValue constant, [_]) {
+    return new jsAst.LiteralNull();
+  }
+
   static final _exponentialRE = new RegExp(
       '^'
       '\([-+]?\)'         // 1: sign
@@ -292,9 +297,11 @@ class ConstantEmitter
     }
     jsAst.Expression constructor =
         backend.emitter.constructorAccess(constant.type.element);
-    List<jsAst.Expression> fields =
-        constant.fields.values.map(constantReferenceGenerator)
-        .toList(growable: false);
+    List<jsAst.Expression> fields = <jsAst.Expression>[];
+    constant.type.element.implementation.forEachInstanceField(
+        (ClassElement enclosingClass, VariableElement member) {
+      fields.add(constantReferenceGenerator(constant.fields[member]));
+    }, includeSuperAndInjectedMembers: true);
     jsAst.New instantiation = new jsAst.New(constructor, fields);
     return maybeAddTypeArguments(constant.type, instantiation);
   }