Re: master 3ed79cd: Separate bytecode stack

[Eli Zaretskii]

> From: Mattias Engdegård <mattiase@acm.org>
> Date: Tue, 15 Mar 2022 15:20:29 +0100
> Cc: Emacs-Devel <emacs-devel@gnu.org>
> 
> >> The latter alternative would become a little more palatable if we could 
> >> use flexible array struct members on all platforms. Given that we assume 
> >> C99, can we do that now?
> > 
> > What do you mean by "flexible array struct members"?  Please show a
> > code snippet.
> 
> I'm sure you know it well, it's the ability to put an incomplete array 
> declaration as the last member of a struct, as in:
> 
>  struct S { int n; float a[]; };
> 
> which roughly means the same thing as declaring that array to be of size zero.
> It's not required in our case but would make the next_stack function (see 
> patch) go away.

I think you can use this (we already use it elsewhere in Emacs).