patch 8.2.1183: assert_fails() checks the last error message Commit: https://github.com/vim/vim/commit/9b7bf9e98f06ece595fed7a3ff53ecce89797a53 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jul 11 22:14:59 2020 +0200 patch 8.2.1183: assert_fails() checks the last error message Problem: assert_fails() checks the last error message. Solution: Check the first error, it is more relevant. Fix all the tests that rely on the old behavior.

" Vim compiler file
" Compiler:     ATT dot
" Maintainer:	Marcos Macedo <bar4ka@bol.com.br>
" Last Change:	2004 May 16

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

if exists(":CompilerSet") != 2		" older Vim always used :setlocal
  command -nargs=* CompilerSet setlocal <args>
endif

CompilerSet makeprg=dot\ -T$*\ \"%:p\"\ -o\ \"%:p:r.$*\"