Re: [RFC] broken build using bison-1.75

[Jim Blandy <jimb at redhat dot com>]

Possibly confusing typo in my message:

Jim Blandy <jimb@redhat.com> writes:
> If you write a rule without a final action, like the start rule from
> p-exp.y:
> 
>     start   :       { current_type = NULL;
>                       search_field = 0;
>                     }
>                     normal_start;
> 
> then Bison inserts a default final action, { $$ = $1; }.  However, in
> this example, that's a bad idea, since $1 refers to the mid-rule
> action `{ current_type = ... }', and that has to type.  That's why the

I meant to say:                             has no type

> error message says:
> 
> /home/js/MIPS/toolchain/mips-linux-gdb/gdb/../../gdb+dejagnu-5.3-branch-20021031/gdb/c-exp.y:248.5-251.3: type clash (`voidval' `') on default action
> 
> I think that's complaining that there's a clash between the type of
> `start', which is `voidval', and the type of the mid-rule action,
> which is being printed as `'.