Check in codegen test expectations.

test/codegen/expect/language/default_implementation2_test.js

Index: test/codegen/expect/language/default_implementation2_test.js
diff --git a/test/codegen/expect/language/default_implementation2_test.js b/test/codegen/expect/language/default_implementation2_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..6019b79cfeeae753a939b80f5ec80197c35c6221
--- /dev/null
+++ b/test/codegen/expect/language/default_implementation2_test.js
@@ -0,0 +1,32 @@
+dart_library.library('language/default_implementation2_test', null, /* Imports */[
+  'dart_sdk'
+], function load__default_implementation2_test(exports, dart_sdk) {
+  'use strict';
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const default_implementation2_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  default_implementation2_test.Point = class Point extends core.Object {
+    static new(x, y) {
+      return new default_implementation2_test.PointImplementation(x, y);
+    }
+  };
+  dart.setSignature(default_implementation2_test.Point, {
+    constructors: () => ({new: dart.definiteFunctionType(default_implementation2_test.Point, [dart.dynamic, dart.dynamic])})
+  });
+  default_implementation2_test.PointImplementation = class PointImplementation extends core.Object {
+    new(x, y) {
+    }
+  };
+  default_implementation2_test.PointImplementation[dart.implements] = () => [default_implementation2_test.Point];
+  dart.setSignature(default_implementation2_test.PointImplementation, {
+    constructors: () => ({new: dart.definiteFunctionType(default_implementation2_test.PointImplementation, [core.int, core.int])})
+  });
+  default_implementation2_test.main = function() {
+    default_implementation2_test.Point.new(1, 2);
+  };
+  dart.fn(default_implementation2_test.main, VoidTodynamic());
+  // Exports:
+  exports.default_implementation2_test = default_implementation2_test;
+});