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From: Marek Polacek <polacek@redhat.com>
To: Andrea Monaco <andrea.monaco@autistici.org>
Cc: gcc@gcc.gnu.org
Subject: Re: Buggy error message when dereferencing once a double pointer to struct
Date: Mon, 23 May 2022 12:47:47 -0400	[thread overview]
Message-ID: <You6s1LsR36pjqUU@redhat.com> (raw)
In-Reply-To: <87tu9g6vxw.fsf@autistici.org>

On Mon, May 23, 2022 at 06:43:55PM +0200, Andrea Monaco via Gcc wrote:
> 
> This snippet that I wrote
> 
> 
>   struct
>   str
>   {
>     int val;
>   };  
> 
> 
>   void
>   main (int argc, char **argv)
>   {
>     struct str **p;
>     int i;
>   
>     i = p->val;
>   }
> 
> 
> is obviously incorrect.  But gcc 8.3.0 says
> 
>   pointer.c: In function ‘main’:
>   pointer.c:14:8: error: ‘*p’ is a pointer; did you mean to use ‘->’?
>      i = p->val;
>           ^~
>           ->
> 
> which seems a buggy error message to me: I wrote "p", not "*p"; also the
> compiler suggests replacing "->" with itself.

Yes, this is https://gcc.gnu.org/PR91134

Marek


      reply	other threads:[~2022-05-23 16:47 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-23 16:43 Andrea Monaco
2022-05-23 16:47 ` Marek Polacek [this message]

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