commit https://github.com/vim/vim/commit/030cddc7ec0c3d2fe3969140cd1b92b2f18633c0 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Sep 4 23:41:42 2016 +0200 patch 7.4.2330 Problem: Coverity complains about not checking curwin to be NULL. Solution: Use firstwin to avoid the warning.

" Vim compiler file
" Compiler:	Microsoft Visual C
" Maintainer:	Bram Moolenaar <Bram@vim.org>
" Last Change:	2014 Sep 20

if exists("current_compiler")
  finish
endif
let current_compiler = "msvc"

" The errorformat for MSVC is the default.
CompilerSet errorformat&
CompilerSet makeprg=nmake