Can't define nilable spec on undefined pred

Description

This fails in ClojureScript but works in Clojure:

Note: While this spec seems silly and is valid for things like [nil], [[nil]], it is just a minimal repro, where larger specs might exhibit a similar shape.

Repro:

Environment

None

Assignee

David Nolen

Reporter

Mike Fikes

Labels

Approval

None

Patch

None

Priority

Blocker
Configure