Hidden members of Class objects

[Carl Sturtivant]

On Wednesday, 6 March 2024 at 23:45:00 UTC, H. S. Teoh wrote:
> In D, there's a pointer to the vtable and another pointer to a 
> Monitor object (used for synchronized methods).  There was talk 
> about getting rid of the Monitor field years ago, but nothing 
> has happened yet.

Very interesting: is the monitor field ever touched by compiled D 
code at any point nowadays? Or is it just vestigial?