patch 9.0.1375: crash when getting member of obj of unknown class Commit: https://github.com/vim/vim/commit/f77a7f704ffd0ca1050e82f609c8b8bd61863277 Author: Ernie Rael <errael@raelity.com> Date: Fri Mar 3 15:05:30 2023 +0000 patch 9.0.1375: crash when getting member of obj of unknown class Problem: Crash when getting member of obj of unknown class. Solution: Check for NULL class and give an error message. (Ernie Rael, closes #12096)