// Copyright 2019 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Flags: --allow-natives-syntax

function opt(){
    (new (function(){
        try{
            r.c>new class extends(W.y.h){}
            l.g.e._
            function _(){}[]=({[l](){}}),c()
        }catch(x){}
    }));
    (((function(){})())?.v)()
}
%PrepareFunctionForOptimization(opt)
assertThrows(() => opt());
assertThrows(() => opt());
%OptimizeFunctionOnNextCall(opt)
assertThrows(() => opt());