On Wed, Dec 07, 2022 at 08:50:09AM +0100, rose gibson via Bug reports for GUILE, GNU's Ubiquitous Extension Language wrote: > hi, > > i noticed that if i, on my system, run "guile" from a shell and then type > into the command prompt that appears, > > (string-ref "a string" -1) > > guile appears to hang for a few seconds or so, and then prints the message > "Segmentation fault (core dumped)". > > i'm not really sure if this report is worth anything, it might just be some > glitch in my distribution's build or something else unreproducable and weird, > idk. but i thought i would say something. just in case. > > this is with guile 3.0.8 on arch linux. i didn't do anything special with > respect to building guile myself or anything like that, it was (i'm pretty > sure) just installed from the repositories.
Hi, this is Debian GNU/Linux, x86_64, but a self-compiled Guile: | tomas@trotzki:~$ guile | GNU Guile 3.0.8.57-bc3b1 | Copyright (C) 1995-2022 Free Software Foundation, Inc. | | Guile comes with ABSOLUTELY NO WARRANTY; for details type `,show w'. | This program is free software, and you are welcome to redistribute it | under certain conditions; type `,show c' for details. | | Enter `,help' for help. | scheme@(guile-user)> (string-ref "a string" -1) | ice-9/boot-9.scm:1685:16: In procedure raise-exception: | Value out of range 0 to< 18446744073709551615: -1 | | Entering a new prompt. Type `,bt' for a backtrace or `,q' to continue. | scheme@(guile-user) [1]> ... so it's either fixed in the meantime, or there are differences between our respective builds. Here, the bad index is caught, it seems. > i'm definitely curious what's up if anyone ever bothers to take the time > figuring it out. > > thanks :) That's as much as I can do for now, $DAYJOB calling :) Cheers -- t
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