Compatiblity: For calls with only constant args, use their line number
Compatiblity: For calls with only constant args, use their line number

* Not in improved mode, because the call line number is really the
  better one. The constant most certainly cannot fail.

wfxiang08/Nuitka,kayhayen/Nuitka,tempbottle/Nuitka,kayhayen/Nuitka,tempbottle/Nuitka,tempbottle/Nuitka,wfxiang08/Nuitka,kayhayen/Nuitka,wfxiang08/Nuitka,tempbottle/Nuitka,kayhayen/Nuitka,wfxiang08/Nuitka