Check in codegen test expectations.

test/codegen/expect/language/function_subtype_cast0_test.js

Index: test/codegen/expect/language/function_subtype_cast0_test.js
diff --git a/test/codegen/expect/language/function_subtype_cast0_test.js b/test/codegen/expect/language/function_subtype_cast0_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..f9c53c4830325a5966360081629a0c9feda7f088
--- /dev/null
+++ b/test/codegen/expect/language/function_subtype_cast0_test.js
@@ -0,0 +1,35 @@
+dart_library.library('language/function_subtype_cast0_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__function_subtype_cast0_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 function_subtype_cast0_test = Object.create(null);
+  let Foo = () => (Foo = dart.constFn(function_subtype_cast0_test.Foo$()))();
+  let FooOfbool = () => (FooOfbool = dart.constFn(function_subtype_cast0_test.Foo$(core.bool)))();
+  let intTovoid = () => (intTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [core.int])))();
+  let VoidToFooOfbool = () => (VoidToFooOfbool = dart.constFn(dart.definiteFunctionType(FooOfbool(), [])))();
+  let dynamicTobool = () => (dynamicTobool = dart.constFn(dart.definiteFunctionType(core.bool, [dart.dynamic])))();
+  let VoidTovoid = () => (VoidTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [])))();
+  function_subtype_cast0_test.Foo$ = dart.generic(T => {
+    const Foo = dart.typedef('Foo', () => dart.functionType(dart.void, [T]));
+    return Foo;
+  });
+  function_subtype_cast0_test.Foo = Foo();
+  function_subtype_cast0_test.Bar = dart.typedef('Bar', () => dart.functionType(dart.void, [core.int]));
+  function_subtype_cast0_test.bar = function(i) {
+  };
+  dart.fn(function_subtype_cast0_test.bar, intTovoid());
+  function_subtype_cast0_test.main = function() {
+    expect$.Expect.isNotNull(function_subtype_cast0_test.bar);
+    expect$.Expect.throws(dart.fn(() => FooOfbool().as(function_subtype_cast0_test.bar), VoidToFooOfbool()), dart.fn(e => true, dynamicTobool()));
+    expect$.Expect.isNotNull(function_subtype_cast0_test.bar);
+    expect$.Expect.isNotNull(function_subtype_cast0_test.bar);
+  };
+  dart.fn(function_subtype_cast0_test.main, VoidTovoid());
+  // Exports:
+  exports.function_subtype_cast0_test = function_subtype_cast0_test;
+});