patch 8.2.3476: renaming a buffer on startup may cause using freed memory Commit: https://github.com/vim/vim/commit/d3710cf01ef6ab1b2f233866ff01dab76686f642 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Oct 4 23:13:13 2021 +0100 patch 8.2.3476: renaming a buffer on startup may cause using freed memory Problem: Renaming a buffer on startup may cause using freed memory. Solution: Check if the buffer is used in a window. (closes https://github.com/vim/vim/issues/8955)

# Aap recipe for a dummy spell file.
# This is used to check if the .spl file format changes.

# Use a freshly compiled Vim if it exists.
@if os.path.exists('../../../src/vim'):
    VIM = ../../../src/vim
@else:
    :progsearch VIM vim

all: check.latin1.spl

check.latin1.spl : $VIM check_aa.aff check_aa.dic check_bb.aff check_bb.dic
        :sys $VIM -u NONE -e -c "mkspell! check check_aa check_bb" -c q

# vim: set sts=4 sw=4 :