[Webkit-unassigned] [Bug 205669] Reflect.construct() with a the optional newTarget parameter does not work with DOM constructors

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=205669

--- Comment #4 from Sam Weinig <sam at webkit.org> ---
For reference, DOMParser's binding constructor is generated as JSDOMParser.cpp and some relevant lines are:

using JSDOMParserConstructor = JSDOMConstructor<JSDOMParser>;

template<> EncodedJSValue JSC_HOST_CALL JSDOMParserConstructor::construct(JSGlobalObject* lexicalGlobalObject, CallFrame* callFrame)
{
    VM& vm = lexicalGlobalObject->vm();
    auto throwScope = DECLARE_THROW_SCOPE(vm);
    UNUSED_PARAM(throwScope);
    auto* castedThis = jsCast<JSDOMParserConstructor*>(callFrame->jsCallee());
    ASSERT(castedThis);
    auto* context = castedThis->scriptExecutionContext();
    if (UNLIKELY(!context))
        return throwConstructorScriptExecutionContextUnavailableError(*lexicalGlobalObject, throwScope, "DOMParser");
    ASSERT(context->isDocument());
    auto& document = downcast<Document>(*context);
    auto object = DOMParser::create(document);
    return JSValue::encode(toJSNewlyCreated<IDLInterface<DOMParser>>(*lexicalGlobalObject, *castedThis->globalObject(), WTFMove(object)));
}

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