The unqualified instrument-enabled symbol resolves to cljs.spec.test$macros/instrument-enabled in bootstrap. This can be fixed by qualifying the symbol.
cljs.spec.test$macros/
fixed https://github.com/clojure/clojurescript/commit/b04b7c6efcb861e948e0c6ffdf5529c13c09e141
The unqualified instrument-enabled symbol resolves to
cljs.spec.test$macros/instrument-enabled in bootstrap. This can be fixed by qualifying the symbol.