Qt WebEngine crashes on a Windows OS if path has non-ASCII symbols

If  web engine based application is deployed which has path with non ASCII characters, application does not load and ends up crashing. 

To Reproduce:

-Build “WebEngine Quick Nano Browser” example.
 -Compile Release version and create a deployment package using  windeploqt.exe tool 

• Start the App and check that it is successfully launched.

-Then copy the directory to another path with non Latin symbols. I like 
“d:\Temp\МоёИмя\” and try to start the App. It will fail to launch.

• Redirect Run path in Qt creator to the folder and try to start. My output:
  11:10:47: Starting D:\Temp\МоёИмя\quicknanobrowser.exe ...
  Qt WebEngine resources not found at D:/Temp/??????/resources. Trying parent
  directory...
  Qt WebEngine resources not found at D:/Temp/??????. Trying application
  directory...
  Qt WebEngine resources not found at D:/Temp/МоёИмя. Trying fallback
  directory... The application MAY NOT work.
  Installed Qt WebEngine locales directory not found at location
  D:/Temp/??????/translations\qtwebengine_locales. Trying application
  directory...
  Qt WebEngine locales directory not found at location
  D:/Temp/МоёИмя\qtwebengine_locales. Trying fallback directory... Translations
  MAY NOT not be correct.
  [0310/111047.995:ERROR:icu_util.cc(170)] Invalid file descriptor to ICU data
  received.
  11:10:49: The program has unexpectedly finished.
  11:10:49: The process was ended forcefully.
  11:10:49: D:\Temp\МоёИмя\quicknanobrowser.exe crashed.