Leak-detection of references to scoped class instances

[IGotD-]

On Thursday, 28 November 2019 at 21:49:09 UTC, Per
>
> Also, what happens if `C` doesn't fit on the stack?

This is OS specific I think. For example on Linux at the end of 
the stack there is a guard page and when you hit it the process 
will segfault.