Check in codegen test expectations.

test/codegen/expect/language/function_subtype_regression_ddc_588_test.js

Index: test/codegen/expect/language/function_subtype_regression_ddc_588_test.js
diff --git a/test/codegen/expect/language/function_subtype_regression_ddc_588_test.js b/test/codegen/expect/language/function_subtype_regression_ddc_588_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..2b8b75bec5654474363d9c9a2ea57e614b80f6b7
--- /dev/null
+++ b/test/codegen/expect/language/function_subtype_regression_ddc_588_test.js
@@ -0,0 +1,30 @@
+dart_library.library('language/function_subtype_regression_ddc_588_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__function_subtype_regression_ddc_588_test(exports, dart_sdk, expect) {
+  'use strict';
+  const core = dart_sdk.core;
+  const _interceptors = dart_sdk._interceptors;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const expect$ = expect.expect;
+  const function_subtype_regression_ddc_588_test = Object.create(null);
+  let ListOfInt2Int = () => (ListOfInt2Int = dart.constFn(core.List$(function_subtype_regression_ddc_588_test.Int2Int)))();
+  let JSArrayOfFunction = () => (JSArrayOfFunction = dart.constFn(_interceptors.JSArray$(core.Function)))();
+  let Int2IntTovoid = () => (Int2IntTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [function_subtype_regression_ddc_588_test.Int2Int])))();
+  let ListOfInt2IntTovoid = () => (ListOfInt2IntTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [ListOfInt2Int()])))();
+  let VoidTovoid = () => (VoidTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [])))();
+  let dynamicTobool = () => (dynamicTobool = dart.constFn(dart.definiteFunctionType(core.bool, [dart.dynamic])))();
+  function_subtype_regression_ddc_588_test.Int2Int = dart.typedef('Int2Int', () => dart.functionType(core.int, [core.int]));
+  function_subtype_regression_ddc_588_test.foo = function(list) {
+    list[dartx.forEach](dart.fn(f => core.print(f(42)), Int2IntTovoid()));
+  };
+  dart.fn(function_subtype_regression_ddc_588_test.foo, ListOfInt2IntTovoid());
+  function_subtype_regression_ddc_588_test.main = function() {
+    let l = JSArrayOfFunction().of([]);
+    expect$.Expect.throws(dart.fn(() => function_subtype_regression_ddc_588_test.foo(ListOfInt2Int()._check(l)), VoidTovoid()), dart.fn(e => core.TypeError.is(e), dynamicTobool()));
+  };
+  dart.fn(function_subtype_regression_ddc_588_test.main, VoidTovoid());
+  // Exports:
+  exports.function_subtype_regression_ddc_588_test = function_subtype_regression_ddc_588_test;
+});