regress-crbug-736758.js 391 Bytes
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// Copyright 2017 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.

var Debug = debug.Debug;

function listener() {}
function f() { [1,2,3].forEach(g) }
function g() { debugger }

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%PrepareFunctionForOptimization(f);
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f();
f();
Debug.setListener(listener);
%OptimizeFunctionOnNextCall(f)
f();