Check in codegen test expectations.

test/codegen/expect/language/closure_variable_shadow_test.js

Index: test/codegen/expect/language/closure_variable_shadow_test.js
diff --git a/test/codegen/expect/language/closure_variable_shadow_test.js b/test/codegen/expect/language/closure_variable_shadow_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..680a19e7105bb4ab4f82b504db1df68e270ad15d
--- /dev/null
+++ b/test/codegen/expect/language/closure_variable_shadow_test.js
@@ -0,0 +1,28 @@
+dart_library.library('language/closure_variable_shadow_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__closure_variable_shadow_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 closure_variable_shadow_test = Object.create(null);
+  let dynamicTodynamic = () => (dynamicTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [dart.dynamic])))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  closure_variable_shadow_test.foo = function(x) {
+    let y = x;
+    function bar(x) {
+      return dart.dsend(y, '-', x);
+    }
+    dart.fn(bar, dynamicTodynamic());
+    return bar;
+  };
+  dart.fn(closure_variable_shadow_test.foo, dynamicTodynamic());
+  closure_variable_shadow_test.main = function() {
+    expect$.Expect.equals(-10, dart.dcall(closure_variable_shadow_test.foo(10), 20));
+  };
+  dart.fn(closure_variable_shadow_test.main, VoidTodynamic());
+  // Exports:
+  exports.closure_variable_shadow_test = closure_variable_shadow_test;
+});