Check in codegen test expectations.

test/codegen/expect/language/typed_equality_test.js

Index: test/codegen/expect/language/typed_equality_test.js
diff --git a/test/codegen/expect/language/typed_equality_test.js b/test/codegen/expect/language/typed_equality_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..2efdd1b6abdf5d36418aed73f37ce9482945d364
--- /dev/null
+++ b/test/codegen/expect/language/typed_equality_test.js
@@ -0,0 +1,26 @@
+dart_library.library('language/typed_equality_test', null, /* Imports */[
+  'dart_sdk'
+], function load__typed_equality_test(exports, dart_sdk) {
+  'use strict';
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const typed_equality_test = Object.create(null);
+  let dynamicAnddynamicTodynamic = () => (dynamicAnddynamicTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [dart.dynamic, dart.dynamic])))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  typed_equality_test.foo = function(a, b) {
+    if (core.identical(a, b)) return;
+    dart.throw('broken');
+  };
+  dart.fn(typed_equality_test.foo, dynamicAnddynamicTodynamic());
+  typed_equality_test.D = class D extends core.Object {};
+  typed_equality_test.C = class C extends core.Object {};
+  typed_equality_test.C[dart.implements] = () => [typed_equality_test.D];
+  typed_equality_test.main = function() {
+    let c = new typed_equality_test.C();
+    typed_equality_test.foo(c, c);
+  };
+  dart.fn(typed_equality_test.main, VoidTodynamic());
+  // Exports:
+  exports.typed_equality_test = typed_equality_test;
+});