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// Copyright 2018 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
// This test writes {} to x to trigger lazy deopt
// from inside the number constructor.
var x = "5";
var b = false;
check = function() {
if (b) x = {};
return 0;
}
var obj = {};
obj.valueOf = check;
function f() {
try {
return x + Number(obj);
} catch(e) {
console.log(e.stack);
}
}
%PrepareFunctionForOptimization(f);
f();
f();
%OptimizeFunctionOnNextCall(f);
b = true;
f();
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