bug#60522: closed (make-vector takes 100% cpu if called without argument in the REPL)

[GNU bug Tracking System]

Your message dated Mon, 16 Jan 2023 15:36:54 +0100
with message-id <87r0vulf5l.fsf@gnu.org>
and subject line Re: bug#60522: make-vector takes 100% cpu if called without 
argument in the REPL
has caused the debbugs.gnu.org bug report #60522,
regarding make-vector takes 100% cpu if called without argument in the REPL
to be marked as done.

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-- 
60522: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=60522
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> --- Begin Message ---
>
>
>
> Subject: 
>
> make-vector takes 100% cpu if called without argument in the REPL
>
>
>
>
> Date: 
>
> Tue, 3 Jan 2023 17:57:19 +0100
>
>
>
>
> The following throws an error:
> guile -c '(make-vector)'
>
> But the evaluation of '(make-vector)' in the REPL generats just a warning:
>
> ;;; <stdin>:1:0: warning: possibly wrong number of arguments to `make-vector'
>
> and seems to enter an endless loop afterwards.
>
> Environment:
> $ guile --version
> guile (GNU Guile) 3.0.5
> Packaged by Debian (3.0.5-deb+3.0.5-4)
> Copyright (C) 2021 Free Software Foundation, Inc.
>
> License LGPLv3+: GNU LGPL 3 or later <http://gnu.org/licenses/lgpl.html>.
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law.
> $ uname -a
> Linux l2108 5.10.0-20-amd64 #1 SMP Debian 5.10.158-2 (2022-12-13)
> x86_64 GNU/Linux
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#60522: make-vector takes 100% cpu if called without argument in the REPL
>
>
>
>
> Date: 
>
> Mon, 16 Jan 2023 15:36:54 +0100
>
>
>
>
> User-agent: 
>
> Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux)
>
>
>
>
> Hi,
>
> Sascha Ziemann <ceving@gmail.com> skribis:
>
> > The following throws an error:
> > guile -c '(make-vector)'
> >
> > But the evaluation of '(make-vector)' in the REPL generats just a warning:
> >
> > ;;; <stdin>:1:0: warning: possibly wrong number of arguments to `make-vector'
> >
> > and seems to enter an endless loop afterwards.
>
> The guts of the problem is an endless loop while reducing primitives:
>
> --8<---------------cut here---------------start------------->8---
> scheme@(language tree-il primitives)> (make-call #f (make-primitive-ref #f 
> 'make-vector) '())
> $21 = #<tree-il (call (primitive make-vector))>
> scheme@(language tree-il primitives)> (resolve-primitives $21 (current-module))
> $22 = #<tree-il (primcall make-vector)>
> scheme@(language tree-il primitives)> (expand-primcall $22)
> $23 = #<tree-il (call (primitive make-vector))>
> --8<---------------cut here---------------end--------------->8---
>
> This is fixed in 51152392ef04b053e3c7b2576473df2df9d08fe0:
>
> --8<---------------cut here---------------start------------->8---
> scheme@(language tree-il primitives)> (expand-primcall $22)
> $32 = #<tree-il (primcall make-vector)>
> --8<---------------cut here---------------end--------------->8---
>
> Thanks!
>
> Ludo’.
>
>
> --- End Message ---