v8/test/mjsunit/es6/regress/regress-2219.js

// Copyright 2012 the V8 project authors. All rights reserved.
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//
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// Flags: --expose-gc

var p = new Proxy({}, {getOwnPropertyDescriptor: function() { gc() }});
var o = Object.create(p);
assertSame(23, o.x = 23);