patch 8.2.4009: reading one byte beyond the end of the line Commit: https://github.com/vim/vim/commit/d3a117814d6acbf0dca3eff1a7626843b9b3734a Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jan 5 16:50:40 2022 +0000 patch 8.2.4009: reading one byte beyond the end of the line Problem: Reading one byte beyond the end of the line. Solution: Check for NUL byte first.

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