Program crash: GC destroys an object unexpectedly

[eugene]

On Tuesday, 21 September 2021 at 20:17:15 UTC, eugene wrote:

> Now, change operation order in the main like this:

Actually, all proposed 'fixes'

- use stopper somehow in the end (writeln(stopper.sg0.number))
- change operation order
- etc

are strange. I mean it's strange (for me) that these
fixes make garbage collector behave as needed.