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Re: [PATCH] Fix PR 23402, ICE with zero sized structs

From: Alan Modra <amodra at bigpond dot net dot au>
To: Richard Henderson <rth at redhat dot com>,Andrew Pinski <pinskia at physics dot uc dot edu>,patch Patches <gcc-patches at gcc dot gnu dot org>
Date: Fri, 26 Aug 2005 08:08:12 +0930
Subject: Re: [PATCH] Fix PR 23402, ICE with zero sized structs
References: <78be4720ee0f2e300bb4de41dca18c53@physics.uc.edu> <20050825045937.GB21737@bubble.grove.modra.org> <20050825081454.GA6870@redhat.com>

On Thu, Aug 25, 2005 at 01:14:54AM -0700, Richard Henderson wrote:
> On Thu, Aug 25, 2005 at 02:29:38PM +0930, Alan Modra wrote:
> > -  if (zero_sized_type (type))
> > +  if (!TREE_SIDE_EFFECTS (*from_p) && zero_sized_type (type))
> >      {
> >        *expr_p = NULL_TREE;
> 
> You can write
> 
>   if (zero_sized_type (type))
>     {
>       *expr_p = (TREE_SIDE_EFFECTS (*from_p) ? *from_p : NULL);

Um, this variation results in
va-arg-22.c:46: internal compiler error: in gimplify_expr, at gimplify.c:4441

-- 
Alan Modra
IBM OzLabs - Linux Technology Centre

Follow-Ups:
- Re: [PATCH] Fix PR 23402, ICE with zero sized structs
  - From: Richard Henderson
- Re: [PATCH] Fix PR 23402, ICE with zero sized structs
  - From: Andrew Pinski

References:
- [PATCH] Fix PR 23402, ICE with zero sized structs
  - From: Andrew Pinski
- Re: [PATCH] Fix PR 23402, ICE with zero sized structs
  - From: Alan Modra
- Re: [PATCH] Fix PR 23402, ICE with zero sized structs
  - From: Richard Henderson

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