patch 8.2.3216: Vim9: crash when using variable in a loop at script level Commit: https://github.com/vim/vim/commit/2eb6fc3b52148f961e804ec2be361d531ff770d8 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jul 25 14:13:53 2021 +0200 patch 8.2.3216: Vim9: crash when using variable in a loop at script level Problem: Vim9: crash when using variable in a loop at script level. Solution: Do not clear the variable if a function was defined. Do not create a new entry in sn_var_vals every time. (closes #8628)

Tests for file with some lines ending in CTRL-M, some not

STARTTEST
:set ta tx
:e!
:$-3,$w! test.out
:qa!
ENDTEST

this lines ends in a
this one doesn't
this one does
and the last one doesn't