Re: GNU Emacs crashes with longlines-mode and outline-mode

[David Kastrup]

Jason Rumney <address@hidden> writes:

> To reproduce this, the following is required:
> (setq longlines-show-hard-newlines t)
>
> C-c l after the file above is visited.
>
>> as expected.  When I now press M-x longlines-mode<RET>, the crash occurs.
>>   
>
> I can reproduce this crash on both Windows XP and GNU/Linux.
>
> The crash occurs in next_element_from_display_vector in xdisp.c (line
> 5961 in my current trunk sandbox), because it->dpvec is NULL and we try
> to take its address. There is an xassert at the beginning of the
> function that should catch this, but it must be compiled out in my
> build.

Have you compiled with -fno-thread-jumps?  Because otherwise the stack
traceback from failed assertions will be nonsense since gcc will reuse
the same abort call for every assertion.

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum