patch 8.2.4646: using buffer line after it has been freed Commit: https://github.com/vim/vim/commit/b55986c52d4cd88a22d0b0b0e8a79547ba13e1d5 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Mar 29 13:24:58 2022 +0100 patch 8.2.4646: using buffer line after it has been freed Problem: Using buffer line after it has been freed in old regexp engine. Solution: After getting mark get the line again.

" 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$*\ \"%:p\"\ -o\ \"%:p:r.$*\"