The Rule of Three means that a class with a non-default dtor should
also have a non-default copy constructor and copy assignment operator.
If the default versions of any of these constructors are used, then
you end up with negative leaks.
Differential Revision: https://phabricator.services.mozilla.com/D9305
--HG--
extra : moz-landing-system : lando
This makes sense since the file no longer contains anything with the
nsTraceRefcnt name in it, and it will allow renaming nsTraceRefcntImpl
back to nsTraceRefcnt.
Sylvestre Ledru
Andrew McCreight
Peter Van der Beken
L. David Baron