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Re: Ping: PATCH to generate error for address of cast
On 14-Aug-2002, Nathan Sidwell <nathan@codesourcery.com> wrote:
> Matt Austern wrote:
>
> > (By the way, you might be wondering why I'm doing all this
> > complicated stuff instead of just fixing lvalue_or_else. Answer:
> > I found that changing lvalue_or_else breaks the case-as-lvalue
> > extension in a couple places. Having a regression test suite is
> What are the semantics for cast-is-lvalue extension? (why is &(t)thing
> not allowed, but some other lvalue use is ok?)
>
> IMHO It would be better to add another parm to lvalue_or_else, and
> fix it there - there may be other places which are erroneously
> allowing lvalue casts.
>
> (I bet we can't kill the extension ... )
I would oppose deprecating or removing this extension --
because my code uses it! ;-)
--
Fergus Henderson <fjh@cs.mu.oz.au> | "I have always known that the pursuit
The University of Melbourne | of excellence is a lethal habit"
WWW: <http://www.cs.mu.oz.au/~fjh> | -- the last words of T. S. Garp.