From: Simon Wright <simon@pushface.org>
Subject: Re: gcc-7 breaks unsized C array bindings
Date: Wed, 30 Aug 2017 22:27:49 +0100
Date: 2017-08-30T22:27:49+01:00 [thread overview]
Message-ID: <lyo9qwycdm.fsf@pushface.org> (raw)
In-Reply-To: 8e16852a-8d56-401f-bebf-916b918fb020@googlegroups.com
ytomino <aghia05@gmail.com> writes:
> C header:
>
> extern int unsized_C_array[];
>
> Ada binding:
>
> unsized_C_array : array (Interfaces.C.size_t) of Interfaces.C.int
> with Import, Convention => C, External_Name => "unsized_C_array";
>
> gcc-7 treats this common idiom as a runtime error. Moreover, it
> reports no message on compile-time. This behavior is very malicious
> mischief. (I have already reported it as
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81961 )
Still present in GCC 8.0.0 (20170820).
prev parent reply other threads:[~2017-08-30 21:27 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-25 8:03 gcc-7 breaks unsized C array bindings ytomino
2017-08-27 7:16 ` Shark8
2017-08-27 7:57 ` Jeffrey R. Carter
2017-08-30 21:27 ` Simon Wright [this message]
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