If it's not a clean up issue, try -- DMD 2.095 or -- LDC 1.25.1
to see if you can build, if yes, then it could be a bug of 2.096
If it's not a clean up issue, try -- DMD 2.095 or -- LDC 1.25.1
to see if you can build, if yes, then it could be a bug of 2.096