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Message-ID: <1403420265.21524.3.camel@eris.loria.fr>
Date: Sun, 22 Jun 2014 08:57:45 +0200
From: Jens Gustedt <jens.gustedt@...ia.fr>
To: musl@...ts.openwall.com
Subject: Re: Remaining roadmap targets for 1.1.3
Hi,
Am Samstag, den 21.06.2014, 23:37 -0400 schrieb Rich Felker:
> On Fri, Jun 20, 2014 at 12:40:32AM -0400, Rich Felker wrote:
> > And old items from the post-1.1.1 plans thread:
> > - max_align_t
>
> Still not sure what's best. Perhaps we should define max_align_t to
> have alignment of MIN(8, alignof(long long), alignof(double),
> alignof(long double)) or similar since that seems to be effectively
> what GCC is doing. However I don't see any way to give the _type_ such
> alignment without depending on GNU C. Per C11 I don't think _Alignas
> is valid on struct/union members but I seem to remember hearing that
> the committee is considering this a defect.
Yes, there are two DR about alignment issues
http://www.open-std.org/jtc1/sc22/wg14/www/docs/dr_444.htm
http://www.open-std.org/jtc1/sc22/wg14/www/docs/dr_445.htm
in particular DR 444 is about applying _Alignas to members. There seem
to be consensus to make this possible, a solution is in the works.
Jens
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