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Re: c/5106: Internal compiler error when passing structure
- From: "Joseph S. Myers" <jsm28 at cam dot ac dot uk>
- To: "Martin v. Loewis" <martin at v dot loewis dot de>
- Cc: <wellner at fnal dot gov>, <gcc-bugs at gcc dot gnu dot org>, <ron at fnal dot gov>, <rodrigc at gcc dot gnu dot org>
- Date: Sat, 15 Dec 2001 18:12:35 +0000 (GMT)
- Subject: Re: c/5106: Internal compiler error when passing structure
On Sat, 15 Dec 2001, Martin v. Loewis wrote:
> > > I don't think this is a GCC extension. Variable Length Arrays are not
> > > allowed as struct members.
> >
> > As a GNU extension beyond C99, they are.
>
> Where is that documented? Are there any restrictions, like "only
In http://gcc.gnu.org/ml/gcc-bugs/2001-06/msg00169.html noting that it
isn't documented.
> available in C", "if used in C++, only allowed in POD structs"?
>
> What is the rationale for having that extension?
That it has already existed. Do people want it to die when implementing
C99 semantics for VLAs?
--
Joseph S. Myers
jsm28@cam.ac.uk