`<ranges>`: `operator|(_Left&& __l, _Right&& __r)` should return `decltype(auto)`

https://github.com/microsoft/STL/blob/bc5a5c349643f35b65d755c2ce33861c8029f705/stl/inc/ranges#L183-L190

IIUC, LWG-3981 being tagged as NAD means it's a bug in MSVC-STL, right?

	_EXPORT_STD template <class _Left, class _Right>
	requires (_Range_adaptor_closure_object<_Right> && range<_Left>)
	_NODISCARD constexpr auto operator\|(_Left&& __l, _Right&& __r) noexcept(
	noexcept(_STD forward<_Right>(__r)(_STD forward<_Left>(__l))))
	requires requires { static_cast<_Right&&>(__r)(static_cast<_Left&&>(__l)); }
	{
	return _STD forward<_Right>(__r)(_STD forward<_Left>(__l));
	}

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`<ranges>`: `operator|(_Left&& __l, _Right&& __r)` should return `decltype(auto)` #4153

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<ranges>: operator|(_Left&& __l, _Right&& __r) should return decltype(auto) #4153

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`<ranges>`: `operator|(_Left&& __l, _Right&& __r)` should return `decltype(auto)` #4153