Between clojure 1.6 and clojure 1.7, unification of maps stopped working correctly

Description

With 1.9.0-alpha14:

Environment

Failure duplicated on clojure 1.7, clojure 1.9.0-alpha14.
Does not fail on 1.5.1, 1.6.

Assignee

Fogus

Reporter

Jason Felice

Labels

None

Approval

None

Patch

None

Priority

Major
Configure