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Now that alternates no longer use an implicit tag, we can inline _make_implicit_tag() into its one caller, _def_union_type(). No change to generated code. Suggested-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <1449033659-25497-7-git-send-email-eblake@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>