[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Diff to make core compile with gcc-4.1 prerelease

From: Gregory John Casamento
Subject: Re: Diff to make core compile with gcc-4.1 prerelease
Date: Fri, 7 Oct 2005 06:49:55 -0700 (PDT)


--- David Ayers <address@hidden> wrote:

> Richard Frith-Macdonald schrieb:
> > However, while this cast to union feature is non-standard anyway its
> > behavior is therefore hard to classify as a definite bug, I do think the
> > new behavior is non-intuitive, and it would be better if it handled
> > assignment of any pointer to a void* member and any object to an id
> > member, for consistency with the normal rules of C and ObjC.
> Agreed.  Non-intuitive in both cases but consistent.
> > I guess the current rationale is probably that a union may have two or
> > more members which a value could be cast to using normal casting rules,
> > so it uses only exact matches to avoid any confusion ... but I think
> > casts to any element of equivalent type should be allowed.
> Well I could very much agree with the rationale if there is a case where
> this 'confusion' would lead to a code generation issue but I can't think
> of such a situation right now.  This looks like a pure compile time type
> checking issue so it seems that at most I would have expected a warning.
> But you are right, as a gcc extension, it's whatever gcc maintainers
> want it to be.

So, should I commit my changes?   Should we submit a bug to the gcc

> Cheers,
> David

Later, GJC

Gregory John Casamento 
-- CEO/President Open Logic Corp. (A MD Corp.)
## Maintainer of Gorm (IB Equiv.) for GNUstep.

reply via email to

[Prev in Thread] Current Thread [Next in Thread]