Check in codegen test expectations.

test/codegen/expect/corelib/toInt_test.js

Index: test/codegen/expect/corelib/toInt_test.js
diff --git a/test/codegen/expect/corelib/toInt_test.js b/test/codegen/expect/corelib/toInt_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..f9e3345764be1004beb6d2910ca2cba28b9ed670
--- /dev/null
+++ b/test/codegen/expect/corelib/toInt_test.js
@@ -0,0 +1,29 @@
+dart_library.library('corelib/toInt_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__toInt_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 toInt_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  toInt_test.main = function() {
+    expect$.Expect.equals(-2147483649, (-2147483649)[dartx.toInt]());
+    expect$.Expect.equals(-2147483648, (-2147483648 - 0.7)[dartx.toInt]());
+    expect$.Expect.equals(-2147483648, (-2147483648 - 0.3)[dartx.toInt]());
+    expect$.Expect.equals(-2147483647, (-2147483648 + 0.3)[dartx.toInt]());
+    expect$.Expect.equals(-2147483647, (-2147483648 + 0.7)[dartx.toInt]());
+    expect$.Expect.equals(-2147483647, (-2147483647)[dartx.toInt]());
+    expect$.Expect.equals(2147483646, (2147483646)[dartx.toInt]());
+    expect$.Expect.equals(2147483646, (2147483647 - 0.7)[dartx.toInt]());
+    expect$.Expect.equals(2147483646, (2147483647 - 0.3)[dartx.toInt]());
+    expect$.Expect.equals(2147483647, (2147483647 + 0.3)[dartx.toInt]());
+    expect$.Expect.equals(2147483647, (2147483647 + 0.7)[dartx.toInt]());
+    expect$.Expect.equals(2147483648, (2147483648)[dartx.toInt]());
+  };
+  dart.fn(toInt_test.main, VoidTodynamic());
+  // Exports:
+  exports.toInt_test = toInt_test;
+});