RFA: unbreak typedefed bitfield

[Daniel Jacobowitz]

On Fri, Dec 18, 2009 at 05:06:12PM +0400, Joel Brobecker wrote:
> > --- a/gdb/value.c
> > +++ b/gdb/value.c
> > @@ -1873,6 +1873,7 @@ value_primitive_field (struct value *arg1, int offset,
> > 
> >    CHECK_TYPEDEF (arg_type);
> >    type = TYPE_FIELD_TYPE (arg_type, fieldno);
> > +  check_typedef (type);
> > 
> >    /* Handle packed fields */
> 
> Looks OK to me (you forgot the ChangeLog entry, btw).

What does this do?  CHECK_TYPEDEF side-effects its argument;
check_typedef will leave its argument as a TYPE_CODE_TYPEDEF.  I think
it fills in some other fields in the typedef, is that what matters
here?

It's unusual to see check_typedef without an assignment.

-- 
Daniel Jacobowitz
CodeSourcery