commit https://github.com/vim/vim/commit/f609dcf8c1094f6fc95f4fc36321a1fb08a7110c Author: Bram Moolenaar <Bram@vim.org> Date: Thu Dec 3 17:43:17 2015 +0100 patch 7.4.954 Problem: When using Lua there may be a crash. (issue https://github.com/vim/vim/issues/468) Solution: Avoid using an unitialized tv. (Yukihiro Nakadaira)

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