GNU bug report logs - #12465
generalized-vector->list and shared arrays

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Daniel Llorens <daniel.llorens <at> bluewin.ch>
To: bug-guile <at> gnu.org
Subject: generalized-vector->list and shared arrays
Date: Tue, 18 Sep 2012 16:15:36 +0200

	
There's a bug with generalized-vector->list and shared arrays. I have seen this kind of bug before, I'm not sure if it wasn't fixed last time or it has resurfaced somehow.

GNU Guile 2.0.6
Copyright (C) 1995-2012 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)> (define a #2((1 2) (3 4)))
scheme@(guile-user)> (define b (make-shared-array a (lambda (j) (list 1 j)) 2))
scheme@(guile-user)> b
$1 = #(3 4)
scheme@(guile-user)> (generalized-vector->list b)
$2 = (1 2)
scheme@(guile-user)> (define c (make-shared-array a (lambda (i) (list i 1)) 2))
scheme@(guile-user)> c
$3 = #(2 4)
scheme@(guile-user)> (generalized-vector->list c)
ERROR: In procedure generalized-vector->list:
ERROR: In procedure vector-handle-ref: Value out of range: 18446744073709551615

Entering a new prompt.  Type `,bt' for a backtrace or `,q' to continue.
scheme@(guile-user) [1]> 

However generalized-vector-ref seems to work correctly.

I'm posting to guile-devel with my proposed ‘solution’.

Regards,

	Daniel

Message #8 received at 12465 <at> debbugs.gnu.org (full text, mbox):

From: Daniel Llorens <daniel.llorens <at> bluewin.ch>
To: 12465 <at> debbugs.gnu.org
Subject: generalized-vector->list and shared arrays
Date: Tue, 18 Sep 2012 16:19:49 +0200

To clarify, the report above is for v2.0.6 (1321a36…)

Message #13 received at 12465-done <at> debbugs.gnu.org (full text, mbox):

From: ludo <at> gnu.org (Ludovic Courtès)
To: Daniel Llorens <daniel.llorens <at> bluewin.ch>
Cc: 12465-done <at> debbugs.gnu.org
Subject: Re: bug#12465: generalized-vector->list and shared arrays
Date: Sat, 03 Nov 2012 00:22:17 +0100

Hi Daniel,

I believe this is fixed in 1d4e6ee, which will be in 2.0.7.

I’ll reply to your suggestion on guile-devel.

Thanks!

Ludo’.

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