patch 9.0.0820: memory leak with empty shell command Commit: https://github.com/vim/vim/commit/03d6e6f42b0deeb02d52c8a48c14abe431370c1c Author: Bram Moolenaar <Bram@vim.org> Date: Sat Oct 29 21:53:08 2022 +0100 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/