v8/test/mjsunit/regress/regress-804801.js

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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.
function f() { return 42; }
const bound_function = f.bind();
const callable_proxy = new Proxy(function(){}.__proto__, {});
function testSet(ctor) {
new ctor([]);
new ctor([{},{}]);
}
function testMap(ctor) {
new ctor([]);
new ctor([[{},{}],[{},{}]]);
}
function testAllVariants(set_or_add_function) {
Set.prototype.add = set_or_add_function;
testSet(Set);
WeakSet.prototype.add = set_or_add_function;
testSet(WeakSet);
Map.prototype.set = set_or_add_function;
testMap(Map);
WeakMap.prototype.set = set_or_add_function;
testMap(WeakMap);
}
testAllVariants(bound_function);
testAllVariants(callable_proxy);