Re: remove YYFAIL from lalr1.java and yacc.c

[Paolo Bonzini]

> > , and I think that
> > breaking YYFAIL now for %error-verbose is fine too.
>
> Google code search turns up an instance where both are used:
>
>    
> http://www.google.com/codesearch?hl=en&lr=&q=%25error-verbose+YYFAIL+file%3A\.y&sbtn=Search

Hmm, right.  They're not relying on the semantics, though and they can 
simply fix it by removing the "|| defined (YYFAIL)".  So it's 
effectively a false positive of the warning.  Well, let's live with it.

> I agree we may have to keep it for a long time, but hopefully the warning
> will prompt users to explore at least why YYFAIL is deprecated.  Maybe I
> should make the warning even stronger by saying that YYFAIL will
> eventually be removed.

Fine, even if both of us know how likely that is to happen. :-)

Paolo