patch 8.2.4576: Vim9: error for comparing with null can be annoying Commit: https://github.com/vim/vim/commit/056678184f679c2989b73bd48eda112f3c79a62f Author: Bram Moolenaar <Bram@vim.org> Date: Tue Mar 15 20:21:33 2022 +0000 patch 8.2.4576: Vim9: error for comparing with null can be annoying Problem: Vim9: error for comparing with null can be annoying. Solution: Allow comparing anything with null. (closes https://github.com/vim/vim/issues/9948)

# Clang 12 (or Apple clang 13) and later makes a warning '-Wcompound-token-split-by-macro' enable by default.
/^PERL_CFLAGS_EXTRA[[:blank:]]*=/s/$/ -Wno-error=compound-token-split-by-macro/
/^RUBY_CFLAGS_EXTRA[[:blank:]]*=/s/$/ -Wno-error=compound-token-split-by-macro/