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bug#60522: make-vector takes 100% cpu if called without argument in the
From: |
Ludovic Courtès |
Subject: |
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’.