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

From: Brian Inglis
Subject: Re: bison segv under Cygwin 64 at fatal-signal.c:318
Date: Mon, 13 Sep 2021 17:19:25 -0600
User-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.14.0

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?


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

This email may be disturbing to some readers as it contains
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[Data in binary units and prefixes, physical quantities in SI.]

Attachment: bison-segv-cygwin-64-gdb.sh
Description: Text document

Attachment: bison-segv-cygwin-64.gdb
Description: Text document

Attachment: bison-segv-cygwin-64-gdb.log
Description: Text document

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