On Thursday, 11 March 2021 at 17:41:27 UTC, rikki cattermole wrote: > Try it with: > > -allinst > > It may just be deciding a template instance isn't required. Good workaround for such kind of bugs! ) Up to 2.063 : Failure with output: Error: unrecognized switch '-allinst' Since 2.064 : Success and no output