In the following piece of code, Cursive says: "_ cannot be resolved":
(require '[clojure.core.match :refer [match]])
(doseq [n (range 1 101)]
(println
(match [(mod n 3) (mod n 5)]
[0 0] "FizzBuzz"
[0 _] "Fizz"
[_ 0] "Buzz"
:else n)))
Screenshot:

Clojure.match is at https://github.com/clojure/core.match
IDEA CE 2017.2.2, Cursive 1.6.1-2017.2
In the following piece of code, Cursive says: "_ cannot be resolved":
Screenshot:

Clojure.match is at https://github.com/clojure/core.match
IDEA CE 2017.2.2, Cursive 1.6.1-2017.2