obj-ptrn-prop-id-trailing-comma.case

// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
template: default
desc: Trailing comma is allowed following BindingPropertyList
info: |
    13.3.3 Destructuring Binding Patterns

    ObjectBindingPattern[Yield] :
        { }
        { BindingPropertyList[?Yield] }
        { BindingPropertyList[?Yield] , }
---*/

//- elems
{ x: y, }
//- vals
{ x: 23 }
//- body
assert.sameValue(y, 23);

assert.throws(ReferenceError, function() {
  x;
});