regress-664087.js 501 Bytes
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// 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;
}

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var v = {valueOf: g};
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function foo(v) {
  v++;
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};
%PrepareFunctionForOptimization(foo);
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%NeverOptimizeFunction(g);
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assertThrows(function() {
  foo(v);
});
assertThrows(function() {
  foo(v);
});
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%OptimizeFunctionOnNextCall(foo);
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assertThrows(function() {
  foo(v);
});