Check in codegen test expectations.

test/codegen/expect/language/issue14014_3_test.js

Index: test/codegen/expect/language/issue14014_3_test.js
diff --git a/test/codegen/expect/language/issue14014_3_test.js b/test/codegen/expect/language/issue14014_3_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..59454b2778bf1d51a1cecc7e1ab6738d04b311a4
--- /dev/null
+++ b/test/codegen/expect/language/issue14014_3_test.js
@@ -0,0 +1,58 @@
+dart_library.library('language/issue14014_3_test', null, /* Imports */[
+  'dart_sdk'
+], function load__issue14014_3_test(exports, dart_sdk) {
+  'use strict';
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const issue14014_3_test = Object.create(null);
+  let A = () => (A = dart.constFn(issue14014_3_test.A$()))();
+  let foo = () => (foo = dart.constFn(issue14014_3_test.foo$()))();
+  let B = () => (B = dart.constFn(issue14014_3_test.B$()))();
+  let BOfint = () => (BOfint = dart.constFn(issue14014_3_test.B$(core.int)))();
+  let VoidTobool = () => (VoidTobool = dart.constFn(dart.definiteFunctionType(core.bool, [])))();
+  let intToint = () => (intToint = dart.constFn(dart.definiteFunctionType(core.int, [core.int])))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  issue14014_3_test.A$ = dart.generic(T => {
+    class A extends core.Object {
+      new(f) {
+        this.f = f;
+      }
+    }
+    dart.addTypeTests(A);
+    dart.setSignature(A, {
+      constructors: () => ({new: dart.definiteFunctionType(issue14014_3_test.A$(T), [dart.dynamic])})
+    });
+    return A;
+  });
+  issue14014_3_test.A = A();
+  issue14014_3_test.foo$ = dart.generic(T => {
+    const foo = dart.typedef('foo', () => dart.functionType(dart.dynamic, [T]));
+    return foo;
+  });
+  issue14014_3_test.foo = foo();
+  issue14014_3_test.B$ = dart.generic(T => {
+    let fooOfT = () => (fooOfT = dart.constFn(issue14014_3_test.foo$(T)))();
+    let TTovoid = () => (TTovoid = dart.constFn(dart.functionType(dart.void, [T])))();
+    class B extends issue14014_3_test.A$(T) {
+      new(opts) {
+        let f = opts && 'f' in opts ? opts.f : null;
+        super.new(dart.fn(() => fooOfT().is(f), VoidTobool()));
+      }
+    }
+    dart.setSignature(B, {
+      constructors: () => ({new: dart.definiteFunctionType(issue14014_3_test.B$(T), [], {f: TTovoid()})})
+    });
+    return B;
+  });
+  issue14014_3_test.B = B();
+  issue14014_3_test.main = function() {
+    let t = new (BOfint())({f: dart.fn(a => 42, intToint())});
+    if (!dart.test(dart.dsend(t, 'f'))) {
+      dart.throw('Test failed');
+    }
+  };
+  dart.fn(issue14014_3_test.main, VoidTodynamic());
+  // Exports:
+  exports.issue14014_3_test = issue14014_3_test;
+});