23 lines
459 B
JavaScript
23 lines
459 B
JavaScript
|
// Copyright 2015 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
|
||
|
|
|
||
|
|
var x = Object.getOwnPropertyDescriptor({get x() {}}, "x").get;
|
||
|
|
function f(o, b) {
|
||
|
|
if (b) {
|
||
|
|
return o instanceof x;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
%OptimizeFunctionOnNextCall(f);
|
||
|
|
f();
|
||
|
|
|
||
|
|
function g() {
|
||
|
|
return new x();
|
||
|
|
}
|
||
|
|
|
||
|
|
%OptimizeFunctionOnNextCall(g);
|
||
|
|
assertThrows(()=>g());
|