Re: Conservative GC isn't safe

[Eli Zaretskii]

> From: Ken Raeburn <address@hidden>
> Date: Mon, 28 Nov 2016 04:50:56 -0500
> Cc: address@hidden,
>  address@hidden
> 
> But if the caller never refers to the object again, it’s certainly possible 
> that it wouldn’t keep around any copies of the Lisp_Object value, even in 
> other registers, once it’s set up the arguments for the one function call 
> that uses the object.  If the caller also created the object, there may not 
> be any other references left.

One of the callers should still hold the reference.