Minimal reproducible example for emscripten#25551.

Build with emcmake cmake -Bbuild -DCMAKE_BUILD_TYPE=Release && make -Cbuild -j8.

Without -s ASYNCIFY, test.html will show a hello world message. With -s ASYNCIFY, the following error will be printed to the console:

Uncaught (in promise) TypeError: Module.dynCall_i is not a function
    invoke_i http://localhost:9000/build/MyProject.js:1
    wrapper http://localhost:9000/build/MyProject.js:1
    initRuntime http://localhost:9000/build/MyProject.js:1
    doRun http://localhost:9000/build/MyProject.js:1
    run http://localhost:9000/build/MyProject.js:1
    createModule http://localhost:9000/build/MyProject.js:1
    async* http://localhost:9000/test.html:6
MyProject.js:1:550541