patch 8.2.2309: 0o777 not recognized as octal Commit: https://github.com/vim/vim/commit/c37b655443e0a11a77a9f0707e3259ab4b8b3dda Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jan 7 19:36:30 2021 +0100 patch 8.2.2309: 0o777 not recognized as octal Problem: 0o777 not recognized as octal. Solution: Use vim_isodigit(). (Ken Takata, closes https://github.com/vim/vim/issues/7633, closes https://github.com/vim/vim/issues/7631)

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