patch 8.2.4453: :helpgrep may free an option that was not allocated Commit: https://github.com/vim/vim/commit/4791fcd82565adcc60b86830e0bb6cd5b6eea0a6 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Feb 23 12:06:00 2022 +0000 patch 8.2.4453: :helpgrep may free an option that was not allocated Problem: :helpgrep may free an option that was not allocated. (Yegappan Lakshmanan) Solution: Check if the value was allocated.

/^CFLAGS[[:blank:]]*=/s/$/ -Wno-error=missing-field-initializers/
/^RUBY_CFLAGS_EXTRA[[:blank:]]*=/s/$/ -Wno-error=unknown-attributes -Wno-error=ignored-attributes/