[REG: 6.4->6.5] wasm: Cannot download from web

Uncaught RuntimeError: index out of bounds
    qtStdWebEventCallbackActivate http://localhost:30000/qtloader.js line 445 > eval line 5891 > Function:8
    __emval_set_property http://localhost:30000/qtloader.js line 445 > eval:6690
    createExportWrapper http://localhost:30000/qtloader.js line 445 > eval:863
    callMain http://localhost:30000/qtloader.js line 445 > eval:13513
    doRun http://localhost:30000/qtloader.js line 445 > eval:13554
    run http://localhost:30000/qtloader.js line 445 > eval:13563
    setTimeout handler*run http://localhost:30000/qtloader.js line 445 > eval:13559
    runCaller http://localhost:30000/qtloader.js line 445 > eval:13495
    removeRunDependency http://localhost:30000/qtloader.js line 445 > eval:824
    receiveInstance http://localhost:30000/qtloader.js line 445 > eval:934
    onmessage http://localhost:30000/qtloader.js line 445 > eval:3665
    loadWasmModuleToWorker http://localhost:30000/qtloader.js line 445 > eval:3639
    receiveInstance http://localhost:30000/qtloader.js line 445 > eval:933
    receiveInstance http://localhost:30000/qtloader.js line 445 > eval:932
    instantiateWasm http://localhost:30000/qtloader.js:344
    promise callback*_QtLoader/completeLoadEmscriptenModule/self.moduleConfig.instantiateWasm http://localhost:30000/qtloader.js:343
    createWasm http://localhost:30000/qtloader.js line 445 > eval:979
    createQtAppInstance http://localhost:30000/qtloader.js line 445 > eval:13082
    completeLoadEmscriptenModule http://localhost:30000/qtloader.js:446
    loadEmscriptenModule http://localhost:30000/qtloader.js:329
    promise callback*loadEmscriptenModule http://localhost:30000/qtloader.js:328
    init http://localhost:30000/appuntitled2.html:63
    onload http://localhost:30000/appuntitled2.html:1
appuntitled2.wasm:16266675:1