Using the -gsplit-dwarf flag with Mingw64 on Windows 10 produces binaries that cannot be run. CLion produces the following error: CreateProcess error=193, %1 is not a valid Win32 application. I take the %1 to mean the executable itself.
Mingw64 is not MinGW. The project which distributes Mingw64 infringes our registered trademark, without authorization. We do not support their illegitimately distributed products.
keith 
Fork
Using the -gsplit-dwarf flag with Mingw64 on Windows 10 produces binaries that cannot be run. CLion produces the following error: CreateProcess error=193, %1 is not a valid Win32 application. I take the %1 to mean the executable itself.