patch 8.2.3166: Vim9: nested autoload call error overruled by "Unknown error" Commit: https://github.com/vim/vim/commit/b5841b99e678da187b68c21f46d56a608a0dc10c Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jul 15 18:09:53 2021 +0200 patch 8.2.3166: Vim9: nested autoload call error overruled by "Unknown error" Problem: Vim9: nested autoload call error overruled by "Unknown error". Solution: Check need_rethrow before giving an "Unknown error". (closes #8568)

/^CFLAGS[[:blank:]]*=/s/$/ -Wall -Wextra -Wshadow -Werror/
/^PERL_CFLAGS[[:blank:]]*=/s/$/ -Wno-error=unused-function/