Warn when giving up on special lambda variables.
Warn when giving up on special lambda variables.

AugustusHuang/Mezzano,varjagg/Mezzano,froggey/Mezzano,rvedam/Mezzano,varjagg/Mezzano,AugustusHuang/Mezzano,froggey/Mezzano,rvedam/Mezzano