[RFC] Change the_dummy_target to be a global

[Tom Tromey]

>>>>> "Pedro" == Pedro Alves <palves@redhat.com> writes:

Pedro> Yes, I think that's fine.

Pedro> At some point in the multi-target branch I made a change like that,
Pedro> but the current state of the branch it's back to being heap-allocated.
Pedro> I'm not seeing any reason that requires that, though.  I replicated
Pedro> the change on top of the branch and ran the new multi-target tests,
Pedro> and they all still passed.

Thanks, I'll check it in then.

Tom