GNU bug report logs - #10617
24.0.92; Bidi crash reading a message from emacs-devel

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From: Nix <nix <at> esperi.org.uk>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 10617 <at> debbugs.gnu.org
Subject: bug#10617: 24.0.92; Bidi crash reading a message from emacs-devel
Date: Tue, 31 Jan 2012 14:21:22 +0000

On 31 Jan 2012, Eli Zaretskii stated:

>> (gdb) xsymbol it->string
>> $2 = (struct Lisp_Symbol *) 0xb81a20
>> There is no member named data.
>> (gdb) print *((struct Lisp_Symbol *) 0xb81a20)
>> $3 = {
>>   gcmarkbit = 0,
>>   redirect = SYMBOL_PLAINVAL,
>>   constant = 1,
>>   interned = 2,
>>   declared_special = 0,
>>   xname = 8697697,
>>   val = {
>>     value = 12065314,
>>     alias = 0xb81a22,
>>     blv = 0xb81a22,
>>     fwd = 0xb81a22
>>   },
>>   function = 12065266,
>>   plist = 38661286,
>>   next = 0x0
>> }
>> 
>> (gdb) print/x Qnil
>> $6 = 0xb81a22
>
> You make your life unnecessarily complicated ;-)  Just do the below,
> but exactly like shown:
>
>   (gdb) p it->string
>   (gdb) xsymbol

I did that at the top of the last debugging dump. The results are not so
useful:

(gdb) p it->string
$1 = 12065314
(gdb) xsymbol
$2 = (struct Lisp_Symbol *) 0xb81a20
There is no member named data.

Hence the attempt to decrypt things a bit further above.

-- 
NULL && (void)

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