patch 8.2.1677: memory access errors when calling setloclist() in autocommand Commit: https://github.com/vim/vim/commit/4d170af0a9379da64d67dc3fa7cc7297956c6f52 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Sep 13 22:21:22 2020 +0200 patch 8.2.1677: memory access errors when calling setloclist() in autocommand Problem: Memory access errors when calling setloclist() in an autocommand. Solution: Give an error if the list was changed unexpectedly. (closes https://github.com/vim/vim/issues/6946)

# Test of WRAP AROUND mode setting.
INIT
WANTSCREEN

RESET

PUSH "\e[?7h"
$REP 170: PUSH "*"

PUSH "\e[?7l\e[3;1H"
$REP 177: PUSH "*"

PUSH "\e[?7h\e[5;1HOK"

!Output
$SEQ 0 2: ?screen_row \# = "********************************************************************************"
          ?screen_row  3 = ""
          ?screen_row  4 = "OK"