Re: C++ Bug (was: Implicit declaration warnings for builtins)

[Zack Weinberg <zack at wolery dot cumb dot org>]

On Sat, May 27, 2000 at 05:12:15PM -0700, Mark Mitchell wrote:
> >>>>> "Zack" == Zack Weinberg <zack@wolery.cumb.org> writes:
> 
>     Zack> cp/decl.c's builtin_function() does not set any special
>     Zack> flags.  Okay, so we add one?  Well, there isn't a free
>     Zack> DECL_LANG_FLAG to use.  I think.  It might be safe to use
>     Zack> flag #7 (documented as DECL_DEAD_FOR_LOCAL, VAR_DECLs only)
>     Zack> but I don't know the C++ front end well enough to be
>     Zack> certain.  I'm going to try this anyway; any advice would be
>     Zack> appreciated.
> 
> That should work. 

Thanks.

> Can you fill me in on what bug you're fixing?  Are
> you trying to avoid a warning on code like:
> 
>   // No declaration of `strcmp'
>   void f () { strcmp ("abc", "def"); }
> 
> I don't think we should do that, if that's what you're suggesting.
> 
> But, maybe you're doing something different?

I am doing the opposite.  We currently do not generate a warning for
that example (try it!) and we should.

zw