Check in codegen test expectations.

test/codegen/expect/language/getters_setters_type3_test.js

Index: test/codegen/expect/language/getters_setters_type3_test.js
diff --git a/test/codegen/expect/language/getters_setters_type3_test.js b/test/codegen/expect/language/getters_setters_type3_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..b47aed36fce7019beeace25c9ef26cdc20868298
--- /dev/null
+++ b/test/codegen/expect/language/getters_setters_type3_test.js
@@ -0,0 +1,31 @@
+dart_library.library('language/getters_setters_type3_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__getters_setters_type3_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 getters_setters_type3_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  getters_setters_type3_test.bar = 499;
+  dart.copyProperties(getters_setters_type3_test, {
+    get foo() {
+      return getters_setters_type3_test.bar;
+    },
+    set foo(str) {
+      getters_setters_type3_test.bar = str[dartx.length];
+    }
+  });
+  getters_setters_type3_test.main = function() {
+    let x = core.int._check(getters_setters_type3_test.foo);
+    expect$.Expect.equals(499, x);
+    getters_setters_type3_test.foo = "1234";
+    let y = core.int._check(getters_setters_type3_test.foo);
+    expect$.Expect.equals(4, y);
+  };
+  dart.fn(getters_setters_type3_test.main, VoidTodynamic());
+  // Exports:
+  exports.getters_setters_type3_test = getters_setters_type3_test;
+});