On Fri, Jan 12, 2018 at 8:38 PM, Vojtěch Čihák via Lazarus <lazarus@lists.lazarus-ide.org> wrote: > I wrote a small routine to search Lazarus sources and it found about 60 > places similar to this (taborderdlg.pas, line 398): > > if Assigned(LookupRoot) and (LookupRoot is TWinControl) then begin > > Should I make a patch for all occurences?
Yes, I think the patch would be applied. IIRC "is" was not allowed with Nil references in old FPC versions but it was a long time ago. BTW, a regular expression search in the Find in Files dialog would have found those cases, too. Juha -- _______________________________________________ Lazarus mailing list Lazarus@lists.lazarus-ide.org https://lists.lazarus-ide.org/listinfo/lazarus