On this line https://github.com/clojure/clojurescript/blob/85bab0736aae442d55d7f25ffc502b5195afe5c1/src/main/cljs/cljs/spec/test.cljc#L235checkable-sums* is called with no arguments, but the function is only defined for a single argument arity.
checkable-sums*
fixed https://github.com/clojure/clojurescript/commit/5b34a6d9fab1ff77fe3aee24413ad0783e015e9f
On this line https://github.com/clojure/clojurescript/blob/85bab0736aae442d55d7f25ffc502b5195afe5c1/src/main/cljs/cljs/spec/test.cljc#L235
checkable-sums*
is called with no arguments, but the function is only defined for a single argument arity.