From: "Jan D." <jan.h.d@swipnet.se>
Cc: emacs-devel@gnu.org
Subject: Re: Problem report #32
Date: Tue, 11 Apr 2006 08:49:26 +0200 [thread overview]
Message-ID: <443B5176.4000302@swipnet.se> (raw)
In-Reply-To: <38419.128.165.123.132.1144698313.squirrel@webmail.lanl.gov>
Stuart D. Herring wrote:
>> At conditional (1): "selected_frame & 7 == 4" taking true path
>> At conditional (2): "((0), (selected_frame & -8))->size & 1073742848 ==
>> 1073742848" taking true path
>> At conditional (3): "(((0), (selected_frame & -8))->output_data).nothing
>> != 0" taking true path
>> At conditional (4): "f == ((selected_frame & 7 == 4 && ((0),
>> (selected_frame & -8))->size & 1073742848 == 1073742848 && (((0),
>> (selected_frame & -8))->output_data).nothing != 0) ? (0), (selected_frame
>> & -8) : ((abort), (0)))" taking true path
>>
>> 5750 if (f == SELECTED_FRAME ())
>>
>> Event dereference: Dereferencing NULL value "f"
>> Also see events: [returned_null][var_assigned]
>
> (I'm not an expert, but I think this is obvious:)
> f can't be NULL here: SELECTED_FRAME() (which eventually decays to
> selected_frame & -8) is not going to be 0 (right?), so if f compares equal
> to it it's a real pointer.
>
I think you are correct.
Jan D.
prev parent reply other threads:[~2006-04-11 6:49 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-10 18:58 Problem report #32 Dan Nicolaescu
2006-04-10 19:45 ` Stuart D. Herring
2006-04-11 6:49 ` Jan D. [this message]
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