Undeclared var warning when invoking a protocol method on a `js` interop form
Compiling the following code under 1.9.743
Produces the following warning:
This is a regression from 1.9.293
https://github.com/Bronsa/CLJS-1.9.473-regression contains a project set up to reproduce this
is not the issue here,
is what is required to exhibit the problem.