patch 8.1.0817: ":=" command is not tested commit https://github.com/vim/vim/commit/99531a7604ce89ba82f41cdb519669abb61f3df0 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jan 24 22:42:37 2019 +0100 patch 8.1.0817: ":=" command is not tested Problem: ":=" command is not tested. Solution: Add a test. (Dominique Pelle, closes https://github.com/vim/vim/issues/3859)

@echo off
rem To be used on MS-Windows for Msys2 with the 32 bit MinGW compiler.
rem Adjust the "c:\msys64" part to match your installation.
@echo on

set PATH=c:\msys64\mingw32\bin;c:\msys64\usr\bin;%PATH%