Check in codegen test expectations.

test/codegen/expect/language/const_factory_redirection_test.js

Index: test/codegen/expect/language/const_factory_redirection_test.js
diff --git a/test/codegen/expect/language/const_factory_redirection_test.js b/test/codegen/expect/language/const_factory_redirection_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..71ad8bd4e3f338186ac6f7a011ec415a0e55001c
--- /dev/null
+++ b/test/codegen/expect/language/const_factory_redirection_test.js
@@ -0,0 +1,46 @@
+dart_library.library('language/const_factory_redirection_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__const_factory_redirection_test(exports, dart_sdk, expect) {
+  'use strict';
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const expect$ = expect.expect;
+  const const_factory_redirection_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  const_factory_redirection_test.C = class C extends core.Object {
+    static new(x) {
+      return new const_factory_redirection_test.D(x);
+    }
+  };
+  dart.setSignature(const_factory_redirection_test.C, {
+    constructors: () => ({new: dart.definiteFunctionType(const_factory_redirection_test.C, [core.int])})
+  });
+  const_factory_redirection_test.D = class D extends core.Object {
+    new(i) {
+      this.i = i;
+    }
+    m() {
+      return 'called m';
+    }
+  };
+  const_factory_redirection_test.D[dart.implements] = () => [const_factory_redirection_test.C];
+  dart.setSignature(const_factory_redirection_test.D, {
+    constructors: () => ({new: dart.definiteFunctionType(const_factory_redirection_test.D, [core.int])}),
+    methods: () => ({m: dart.definiteFunctionType(dart.dynamic, [])})
+  });
+  let const$;
+  const_factory_redirection_test.main = function() {
+    let c = const$ || (const$ = dart.const(const_factory_redirection_test.C.new(42)));
+    let d = const_factory_redirection_test.D._check(c);
+    expect$.Expect.equals(42, d.i);
+    expect$.Expect.equals('called m', d.m());
+    d = const_factory_redirection_test.D._check(const_factory_redirection_test.C.new(42));
+    expect$.Expect.equals(42, d.i);
+    expect$.Expect.equals('called m', d.m());
+  };
+  dart.fn(const_factory_redirection_test.main, VoidTodynamic());
+  // Exports:
+  exports.const_factory_redirection_test = const_factory_redirection_test;
+});