bug#57948: [PATCH] Avoid 'frame-local-ref' errors when printing backtrace.

[Ludovic Courtès]

Hi Andrew,

Andrew Whatson <whatson@gmail.com> skribis:

> Workaround for <https://bugs.gnu.org/57948>.
>
> * module/system/vm/frame.scm (frame-call-representation): Treat a
> binding as "unspecified" if its slot exceeds 'frame-num-locals'.

Yay, great to see that fixed (or almost)!

It would be great if you could add a simple test case though, so that
the bug doesn’t eventually come back to haunt us.

Could you send an updated patch?

Thanks,
Ludo’.

PS: BTW, it’ll be great to have more patches from you!  :-) To that end,
    please check out the new Guile copyright policy and let us know what
    option you’d like to choose:
    <https://lists.gnu.org/archive/html/guile-devel/2022-10/msg00008.html>.