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LibJS: Do not create a prototype property on AsyncFunction instances

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Idan Horowitz 2022-02-19 17:56:46 +02:00 • committed by Linus Groh
parent 08d1ae58b1
commit 29dd9d75ef
1 changed files with 4 additions and 1 deletions
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5
Userland/Libraries/LibJS/Runtime/ECMAScriptFunctionObject.cpp
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@ -127,7 +127,10 @@ void ECMAScriptFunctionObject::initialize(GlobalObject& global_object)
// FIXME: Add the AsyncGeneratorObject and set it as prototype.
break;
}
define_direct_property(vm.names.prototype, prototype, Attribute::Writable);
// 27.7.4 AsyncFunction Instances, https://tc39.es/ecma262/#sec-async-function-instances
// AsyncFunction instances do not have a prototype property as they are not constructible.
if (m_kind != FunctionKind::Async)
define_direct_property(vm.names.prototype, prototype, Attribute::Writable);
}
}