Issue Reproduction

This repo reproduces [shadow-cljs issue #948][thheller/shadow-cljs#948].

Intructions

Debug build

1. Clone repo
2. npm i
3. npm start
4. Open http://localhost:8989/about.html in the browser
5. Open the browser's JavaScript console

Note that there are no errors in the console, and that the page content is the header "About"

Release build

1. git clean -xdf
2. npm i
3. npm run release
4. npm run serve
5. Open http://localhost:8989/about.html in the browser
6. Open the browser's JavaScript console

Results in:

• Expected: Same as debug build, namely no errors and page content is "About"
• Actual: Page content is "Loading..." and the JavaScript console shows an error: TypeError: $jscomp.makeIterator is not a function