patch 9.0.1897: Vim9: confusing error with .= in compiled functions Commit: https://github.com/vim/vim/commit/504543f98be2ddb6d49ea2f7e996112868fc54ed Author: Christian Brabandt <cb@256bit.org> Date: Mon Sep 11 20:08:50 2023 +0200 patch 9.0.1897: Vim9: confusing error with .= in compiled functions Problem: Vim9: confusing error with .= in compiled functions Solution: Check in error condition, if .= was attempted and in that case give a different error message. closes: #12972 closes: #13066 Signed-off-by: Christian Brabandt <cb@256bit.org>