Test case:
(run* [q] (fd/in q (fd/interval 3 3)))
fixed, http://github.com/clojure/core.logic/commit/83e9cdb4247893ef0a8dbdefe61aebdca0163dbf
fixed, http://github.com/clojure/core.logic/commit/83e9cdb4247893ef0a8dbdefe61aebdca0163dbf