Re: Emacs aborts during byte-compilation from Dired

[storm@cua.dk (Kim F. Storm)]

Kenichi Handa <handa@m17n.org> writes:

> In article <E1HKCN4-0005gq-Vi@etlken.m17n.org>, Kenichi Handa <handa@m17n.org> writes:
>
>>   1412		  /* If Vprint_continuous_numbering is non-nil and OBJ is a gensym,
>>   1413		     always print the gensym with a number.  This is a special for
>>   1414		     the lisp function byte-compile-output-docform.  */
>>   1415		  if (!NILP (Vprint_continuous_numbering)
>>   1416		      && SYMBOLP (obj)
>>   1417		      && !SYMBOL_INTERNED_P (obj))
>>   1418		    PRINT_NUMBER_STATUS (Vprint_number_table, print_number_index) = Qt;
>>   1419		  print_number_index++;
>
>> I have no idea why the value of Qt is changed at L1415 (note
>> that I compiled print.c without optimization).
>
> Actually, Qt was changed at this line:
>
> 1411		  PRINT_NUMBER_OBJECT (Vprint_number_table, print_number_index) = obj;
>
> And at that time, Vprint_number_table was Qnil but the macro
> PRINT_NUMBER_OBJECT assumes that it is a vector.  Someone
> who knows the code around here please fix this bug.
>
> ---
> Kenichi Handa
> handa@m17n.org

Removing this line seems to cure the problem:

;;; byte-compile-compatibility: t ***


I don't know how it is related, but it does narrow down the
possible causes of the crash / anomaly.

-- 
Kim F. Storm <storm@cua.dk> http://www.cua.dk