regress-736567.js 426 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.

// Flags: --allow-natives-syntax

function f(b, x) {
  var o = b ? { a : 1 } : undefined;
  return o.a + !(x & 1);
}

f(1);

function g() {
  f(0, "s");
}

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%PrepareFunctionForOptimization(g);
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assertThrows(g);
%OptimizeFunctionOnNextCall(g);
assertThrows(g);