Check in codegen test expectations.

test/codegen/expect/language/identical_test.js

Index: test/codegen/expect/language/identical_test.js
diff --git a/test/codegen/expect/language/identical_test.js b/test/codegen/expect/language/identical_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..6289960baad8cbc0f884bdfd0d9b63cd576824e7
--- /dev/null
+++ b/test/codegen/expect/language/identical_test.js
@@ -0,0 +1,47 @@
+dart_library.library('language/identical_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__identical_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 identical_test = Object.create(null);
+  let dynamicTodynamic = () => (dynamicTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [dart.dynamic])))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  identical_test.notIdenticalTest1 = function(a) {
+    if (!core.identical("ho", a)) {
+      return 2;
+    } else {
+      return 1;
+    }
+  };
+  dart.fn(identical_test.notIdenticalTest1, dynamicTodynamic());
+  identical_test.notIdenticalTest2 = function(a) {
+    let x = core.identical("ho", a);
+    if (!x) {
+      expect$.Expect.equals(false, x);
+      return x;
+    } else {
+      expect$.Expect.equals(true, x);
+      return 1;
+    }
+  };
+  dart.fn(identical_test.notIdenticalTest2, dynamicTodynamic());
+  identical_test.notIdenticalTest3 = function(a) {
+    let x = core.identical("ho", a);
+    return !x;
+  };
+  dart.fn(identical_test.notIdenticalTest3, dynamicTodynamic());
+  identical_test.main = function() {
+    for (let i = 0; i < 20; i++) {
+      expect$.Expect.equals(1, identical_test.notIdenticalTest1("ho"));
+      expect$.Expect.equals(1, identical_test.notIdenticalTest2("ho"));
+      expect$.Expect.equals(false, identical_test.notIdenticalTest3("ho"));
+    }
+  };
+  dart.fn(identical_test.main, VoidTodynamic());
+  // Exports:
+  exports.identical_test = identical_test;
+});