Check in codegen test expectations.

test/codegen/expect/language/licm3_test.js

+dart_library.library('language/licm3_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__licm3_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 licm3_test = Object.create(null);
+  let dynamicTodynamic = () => (dynamicTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [dart.dynamic])))();
+  let VoidTovoid = () => (VoidTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [])))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  licm3_test.foo = function(o) {
+    let r = 0;
+    for (let i = 0; i < 3; i++) {
+      r = dart.notNull(r) + dart.notNull(core.int._check(dart.dload(o, 'z')));
+    }
+    return r;
+  };
+  dart.fn(licm3_test.foo, dynamicTodynamic());
+  licm3_test.A = class A extends core.Object {
+    new() {
+      this.z = 3;
+    }
+  };
+  licm3_test.main = function() {
+    let a = new licm3_test.A();
+    for (let i = 0; i < 10000; i++)
+      licm3_test.foo(a);
+    expect$.Expect.equals(9, licm3_test.foo(a));
+    expect$.Expect.throws(dart.fn(() => licm3_test.foo(42), VoidTovoid()));
+    for (let i = 0; i < 10000; i++)
+      licm3_test.foo(a);
+    expect$.Expect.throws(dart.fn(() => licm3_test.foo(42), VoidTovoid()));
+  };
+  dart.fn(licm3_test.main, VoidTodynamic());
+  // Exports:
+  exports.licm3_test = licm3_test;
+});