patch 9.0.0820: memory leak with empty shell command Commit: https://github.com/vim/vim/commit/86e6717ace4f5e00eaeb84b59e3fc92bca548155 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Oct 31 12:24:12 2022 +0000 patch 9.0.0820: memory leak with empty shell command Problem: Memory leak with empty shell command. Solution: Free the empty string.

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