Marc-André Lureau <marcandre.lur...@gmail.com> writes:

> On Mon, Oct 2, 2017 at 5:25 PM, Markus Armbruster <arm...@redhat.com> wrote:
>> This demonstrates a bug in the lowering of simple unions: if more than
>> one schema uses the same built-in type T for a simple union member,
>> they all generate the same q_obj_T_wrapper into their qapi-types.h.
>> They clash when you include more than one schema's qapi-types.h.
>
> Ah, I don't remember seeing that when I splitted the schema in my
> qapi-if / conditional series.

Simple union members of built-in type are rare.  I spotted the problem
with options, then realized it's already possible with simple unions.

> Could it happen with non-built-in types ?

Yes, but multiple q_obj_T_wrapper can clash only when their T also
clash.  Name your types more wisely then.

>> Signed-off-by: Markus Armbruster <arm...@redhat.com>
>
> Reviewed-by: Marc-André Lureau <marcandre.lur...@redhat.com>

Thanks!

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