Check in codegen test expectations.

test/codegen/expect/language/const_global_test.js

Index: test/codegen/expect/language/const_global_test.js
diff --git a/test/codegen/expect/language/const_global_test.js b/test/codegen/expect/language/const_global_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..9015d929d6bae4ad05b14631878bd90d6ba8bad4
--- /dev/null
+++ b/test/codegen/expect/language/const_global_test.js
@@ -0,0 +1,32 @@
+dart_library.library('language/const_global_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__const_global_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 const_global_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  const_global_test.a = 1;
+  let const$;
+  let const$0;
+  let const$1;
+  const_global_test.main = function() {
+    expect$.Expect.equals(1, const_global_test.a);
+    expect$.Expect.equals(1, (const$ || (const$ = dart.const(new const_global_test.A(const_global_test.a)))).a);
+    expect$.Expect.equals(1, (const$1 || (const$1 = dart.constList([const$0 || (const$0 = dart.const(new const_global_test.A(const_global_test.a)))], const_global_test.A)))[dartx.get](0).a);
+  };
+  dart.fn(const_global_test.main, VoidTodynamic());
+  const_global_test.A = class A extends core.Object {
+    new(a) {
+      this.a = a;
+    }
+  };
+  dart.setSignature(const_global_test.A, {
+    constructors: () => ({new: dart.definiteFunctionType(const_global_test.A, [dart.dynamic])})
+  });
+  // Exports:
+  exports.const_global_test = const_global_test;
+});