Check in codegen test expectations.

test/codegen/expect/language/field_super_access_test.js

Index: test/codegen/expect/language/field_super_access_test.js
diff --git a/test/codegen/expect/language/field_super_access_test.js b/test/codegen/expect/language/field_super_access_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..fe4d91fe8ab12cd6f84524bbea8041090e69ce22
--- /dev/null
+++ b/test/codegen/expect/language/field_super_access_test.js
@@ -0,0 +1,36 @@
+dart_library.library('language/field_super_access_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__field_super_access_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 field_super_access_test = Object.create(null);
+  let VoidTovoid = () => (VoidTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [])))();
+  field_super_access_test.A = class A extends core.Object {
+    new() {
+      this.y = null;
+    }
+  };
+  field_super_access_test.B = class B extends field_super_access_test.A {
+    new() {
+      super.new();
+    }
+    get x() {
+      return this.y;
+    }
+    set x(val) {
+      this.y = core.int._check(val);
+    }
+  };
+  field_super_access_test.main = function() {
+    let b = new field_super_access_test.B();
+    b.x = 42;
+    expect$.Expect.equals(42, b.x);
+  };
+  dart.fn(field_super_access_test.main, VoidTovoid());
+  // Exports:
+  exports.field_super_access_test = field_super_access_test;
+});