Re: bison segv under Cygwin 64 at fatal-signal.c:318

[Brian Inglis]

On 2021-09-13 14:54, Brian Inglis wrote:
> On 2021-09-13 14:20, Akim Demaille wrote:
> > Thanks for the very detailed bug report!  Before trying to go further, 
> > could you please try this tarball, which includes an updated gnulib?
> >
> > https://www.lrde.epita.fr/~akim/private/bison/bison-3.8.1.27-dd6e.tar.gz
> > https://www.lrde.epita.fr/~akim/private/bison/bison-3.8.1.27-dd6e.tar.lz
> > https://www.lrde.epita.fr/~akim/private/bison/bison-3.8.1.27-dd6e.tar.xz
>
> Thanks for the quick response Akim, will try that out ASAP!
>
> The only information I forgot to include was that I copied your patch to 
> revert the autoconf upgrade from 2.68 to 2.71 as Cygwin currently only 
> has up to 2.69.
>
> > If it does not work any better, we'll probably have to dive into gnulib.
>
> Spent part of yesterday there!
>
> Will later be trying to rebuild fatal-signal.c in the released version 
> with -E to see what the expansions of gl_lock_lock, pthread_in_use, and 
> the value of glthread_in use look like.

Sorry to report still consistent failure mode, symptom, and location.
Please see attached.
Modified to run from below the non-standard SRC_DIR names, continue, 
step to get failure, bt, then quit.

--
Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

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bison-segv-cygwin-64-gdb.sh
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bison-segv-cygwin-64.gdb
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bison-segv-cygwin-64-gdb.log
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