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LibJS: Stop coercing this to object in Function's Symbol.hasInstance

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Idan Horowitz 2021-07-01 02:18:49 +03:00 • committed by Andreas Kling
parent 6ef56f79bd
commit e37f96ccfe
1 changed files with 1 additions and 8 deletions
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9
Userland/Libraries/LibJS/Runtime/FunctionPrototype.cpp
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@ -162,14 +162,7 @@ JS_DEFINE_NATIVE_FUNCTION(FunctionPrototype::to_string)
// 20.2.3.6 Function.prototype [ @@hasInstance ] ( V ), https://tc39.es/ecma262/#sec-function.prototype-@@hasinstance // 20.2.3.6 Function.prototype [ @@hasInstance ] ( V ), https://tc39.es/ecma262/#sec-function.prototype-@@hasinstance
JS_DEFINE_NATIVE_FUNCTION(FunctionPrototype::symbol_has_instance) JS_DEFINE_NATIVE_FUNCTION(FunctionPrototype::symbol_has_instance)
{ {
auto* this_object = vm.this_value(global_object).to_object(global_object); return ordinary_has_instance(global_object, vm.argument(0), vm.this_value(global_object));
if (!this_object)
return {};
if (!this_object->is_function()) {
vm.throw_exception<TypeError>(global_object, ErrorType::NotA, "Function");
return {};
}
return ordinary_has_instance(global_object, vm.argument(0), this_object);
} }
} }