patch 8.2.5072: using uninitialized value and freed memory in spell command Commit: https://github.com/vim/vim/commit/2813f38e021c6e6581c0c88fcf107e41788bc835 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jun 9 19:54:24 2022 +0100 patch 8.2.5072: using uninitialized value and freed memory in spell command Problem: Using uninitialized value and freed memory in spell command. Solution: Initialize "attr". Check for empty line early.

" Vim compiler file
" Compiler:	Unit testing tool for Python
" Maintainer:	Max Ischenko <mfi@ukr.net>
" Last Change: 2004 Mar 27

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

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

CompilerSet efm=%C\ %.%#,%A\ \ File\ \"%f\"\\,\ line\ %l%.%#,%Z%[%^\ ]%\\@=%m