// Copyright 2016 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 g() {
  throw 1;
}

var v = { valueOf : g };

function foo(v) {
  v++;
}

%NeverOptimizeFunction(g);
assertThrows(function () { foo(v); });
assertThrows(function () { foo(v); });
%OptimizeFunctionOnNextCall(foo);
assertThrows(function () { foo(v); });