Check in codegen test expectations.

test/codegen/expect/language/abstract_method_test.js

+dart_library.library('language/abstract_method_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__abstract_method_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 abstract_method_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  dart.copyProperties(abstract_method_test, {
+    get length() {
+      return dart.throw("error: top-level getter called");
+    }
+  });
+  dart.copyProperties(abstract_method_test, {
+    set height(x) {
+      dart.throw("error: top-level setter called");
+    }
+  });
+  abstract_method_test.width = function() {
+    dart.throw("error: top-level function called");
+  };
+  dart.fn(abstract_method_test.width, VoidTodynamic());
+  abstract_method_test.A = class A extends core.Object {
+    get useLength() {
+      return this.length;
+    }
+    setHeight(x) {
+      return this.height = x;
+    }
+    useWidth() {
+      return this.width();
+    }
+  };
+  dart.setSignature(abstract_method_test.A, {
+    methods: () => ({
+      setHeight: dart.definiteFunctionType(dart.dynamic, [dart.dynamic]),
+      useWidth: dart.definiteFunctionType(dart.dynamic, [])
+    })
+  });
+  abstract_method_test.A1 = class A1 extends abstract_method_test.A {
+    width() {
+      return 345;
+    }
+    new(length) {
+      this.length = length;
+      this.height = null;
+    }
+  };
+  dart.setSignature(abstract_method_test.A1, {
+    constructors: () => ({new: dart.definiteFunctionType(abstract_method_test.A1, [core.int])}),
+    methods: () => ({width: dart.definiteFunctionType(core.int, [])})
+  });
+  abstract_method_test.main = function() {
+    let a = new abstract_method_test.A1(123);
+    expect$.Expect.equals(123, a.useLength);
+    a.setHeight(234);
+    expect$.Expect.equals(234, a.height);
+    expect$.Expect.equals(345, a.useWidth());
+    core.print([a.useLength, a.height, a.useWidth()]);
+  };
+  dart.fn(abstract_method_test.main, VoidTodynamic());
+  // Exports:
+  exports.abstract_method_test = abstract_method_test;
+});