Re: recent master core dumps building on FreeBSD i386

[Joseph Mingrone <jrm@ftfl.ca>]

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Paul Eggert <eggert@cs.ucla.edu> writes:

> On 10/18/18 6:15 PM, Joseph Mingrone wrote:
>> Is it still helpful for me to investigate what GCALIGNED_STRUCT expands to?  If so, could elaborate on how I can get this?

> To get the expansion (but see below first), put the following into a file src/t.c:

> #include <config.h>
> #include <lisp.h>
> "GCALIGNED_STRUCT" GCALIGNED_STRUCT

> and then run 'cd src; cc -E -I. -I../lib t.c | tail -n1'. You probably need to adjust that command line to match the way you're building Emacs. My output with current master on Fedora x86-64 is:

> "GCALIGNED_STRUCT" __attribute__ ((aligned (8)))


> However, in thinking about this some more I do see a problem that could explain your symptoms, a problem that resulted from a merge from emacs-26 that collided with changes in the master without Git (or
> me) noticing the collision. I installed the attached patch into master to fix it. Please try this patch first, and we can worry about GCALIGNED_STRUCT only if this patch does not fix things for you.

Hi Paul,

That works.
http://pkg.awarnach.mathstat.dal.ca/data/11i386-default/2018-10-19_14h24m35s/logs/emacs-devel-27.0.50.20181018,2.log

The FreeBSD emacs-devel package is updated, so this can get wider testing.
https://svnweb.freebsd.org/ports?view=revision&revision=482447

Thank you.

--
Joseph

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