Check in codegen test expectations.

test/codegen/expect/language/regress_14105_test.js

Index: test/codegen/expect/language/regress_14105_test.js
diff --git a/test/codegen/expect/language/regress_14105_test.js b/test/codegen/expect/language/regress_14105_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..4468a268e108829a515498ecfa6a3aefc01f971d
--- /dev/null
+++ b/test/codegen/expect/language/regress_14105_test.js
@@ -0,0 +1,43 @@
+dart_library.library('language/regress_14105_test', null, /* Imports */[
+  'dart_sdk'
+], function load__regress_14105_test(exports, dart_sdk) {
+  'use strict';
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const regress_14105_test = Object.create(null);
+  let A = () => (A = dart.constFn(regress_14105_test.A$()))();
+  let AOfClassOnlyForRti = () => (AOfClassOnlyForRti = dart.constFn(regress_14105_test.A$(regress_14105_test.ClassOnlyForRti)))();
+  let AOfint = () => (AOfint = dart.constFn(regress_14105_test.A$(core.int)))();
+  let dynamicTodynamic = () => (dynamicTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [dart.dynamic])))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  regress_14105_test.UsedAsFieldType = dart.typedef('UsedAsFieldType', () => dart.functionType(dart.dynamic, []));
+  regress_14105_test.ClassOnlyForRti = class ClassOnlyForRti extends core.Object {
+    new() {
+      this.field = null;
+    }
+  };
+  regress_14105_test.A$ = dart.generic(T => {
+    class A extends core.Object {
+      new() {
+        this.field = null;
+      }
+    }
+    dart.addTypeTests(A);
+    return A;
+  });
+  regress_14105_test.A = A();
+  regress_14105_test.use = function(a) {
+    return dart.dput(a, 'field', "");
+  };
+  dart.fn(regress_14105_test.use, dynamicTodynamic());
+  regress_14105_test.useFieldSetter = regress_14105_test.use;
+  regress_14105_test.main = function() {
+    let a = new (AOfClassOnlyForRti())();
+    dart.dcall(regress_14105_test.useFieldSetter, a);
+    core.print(AOfint().is(a));
+  };
+  dart.fn(regress_14105_test.main, VoidTodynamic());
+  // Exports:
+  exports.regress_14105_test = regress_14105_test;
+});