Re: Conservative GC isn't safe

[Eli Zaretskii]

> From: Stefan Monnier <address@hidden>
> Cc: Ken Raeburn <address@hidden>,  address@hidden,  address@hidden
> Date: Mon, 28 Nov 2016 11:15:28 -0500
> 
> >> res = Fvector (ito - ifrom, aref_addr (string, ifrom));
> > But 'string' still references the contents array of the vector, so GC
> > will mark it when it comes to 'string'.
> 
> But after computing "aref_addr (string, ifrom)", it may very well be
> that `string` is dead and the compiler may then decide not to write
> it into the stack.

It will still be there in the caller.