I rarely suspect a bug, I usually think a problem is the result of something stupid I have done.
Place a TLabeledEdit on a form ... and try to 'select' it by clicking on the caption (not the edit box) ... in my case, the Form disappeared and I got the error: hcalc.pas(1,6) Error: identifier not found: TForm2
Fortunately, the form just closed and I was able to reload it from Project==>Forms and all was well again, but on my system, the problem is certainly reproduceable.
Can someone else test if this happens on their system please?
Thanks
Cliff