Re: igc: trying to chase a crash

[Óscar Fuentes]

Eli Zaretskii <eliz@gnu.org> writes:

> SIGSEGV is used by MPS to implement memory barriers.  The file
> src/.gdbinit on the branch has this:
>
>   # Pass on signals used by MPS to suspend threads.
>   if defined_HAVE_MPS
>     # Print SIGSEGV for now, since it makes the logs more useful.  Don't
>     # stop, though.
>     handle SIGSEGV nostop print pass
>     handle SIGXFSZ nostop noprint pass
>     handle SIGXCPU nostop noprint pass
>   end

So does it make sense to run igc under gdb for obtaining backtraces when
it crashes?

>>   389 |       if (record && BUF_MARKERS (b))
>>       |           ~~~~~~ ^~
>>       |           |
>>       |           int
>
> I tried to fix this now, please try again.

Thanks. That instance compiles now, but then...

../../emacs/src/fns.c: In function ‘weak_hash_remove_from_table’:
../../emacs/src/fns.c:5789:26: error: invalid operands to binary == (have 
‘Lisp_Object’ and ‘Lisp_Object’)
 5789 |               && hashval == WEAK_HASH_HASH (h, i)
      |                          ^~ ~~~~~~~~~~~~~~~~~~~~~
      |                             |
      |                             Lisp_Object