patch 8.2.4217: illegal memory access when undo makes Visual area invalid Commit: https://github.com/vim/vim/commit/8d02ce1ed75d008c34a5c9aaa51b67cbb9d33baa Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jan 25 18:24:00 2022 +0000 patch 8.2.4217: illegal memory access when undo makes Visual area invalid Problem: Illegal memory access when undo makes Visual area invalid. Solution: Correct the Visual area after undo.

@echo off
rem To be used on MS-Windows for Msys2 with the 64 bit MinGW compiler.
rem Adjust the "c:\msys64" part to match your installation.
@echo on

set PATH=c:\msys64\mingw64\bin;c:\msys64\usr\bin;%PATH%