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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: gcc-7 breaks unsized C array bindings
Date: Wed, 30 Aug 2017 22:27:49 +0100
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Xref: news.eternal-september.org comp.lang.ada:47844
Date: 2017-08-30T22:27:49+01:00
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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).