src/third_party/v8/test/mjsunit/compiler/regress-1061678.js

// Copyright 2020 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

Array.prototype[10] = 2;

function foo() {
  try {
    [].forEach();
  } catch (e) {
  }
};

%PrepareFunctionForOptimization(foo);
foo();
foo();
%OptimizeFunctionOnNextCall(foo);
foo();