Check in codegen test expectations.

test/codegen/expect/language/class_override_test_none_multi.js

+dart_library.library('language/class_override_test_none_multi', null, /* Imports */[
+  'dart_sdk'
+], function load__class_override_test_none_multi(exports, dart_sdk) {
+  'use strict';
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const class_override_test_none_multi = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  class_override_test_none_multi.A = class A extends core.Object {
+    foo() {}
+  };
+  dart.setSignature(class_override_test_none_multi.A, {
+    methods: () => ({foo: dart.definiteFunctionType(dart.dynamic, [])})
+  });
+  class_override_test_none_multi.B = class B extends class_override_test_none_multi.A {};
+  class_override_test_none_multi.main = function() {
+    let instance = new class_override_test_none_multi.B();
+    try {
+      instance.foo();
+    } finally {
+    }
+    core.print("Success");
+  };
+  dart.fn(class_override_test_none_multi.main, VoidTodynamic());
+  // Exports:
+  exports.class_override_test_none_multi = class_override_test_none_multi;
+});