patch 9.0.1500: The falsy operator is not tested properly Commit: https://github.com/vim/vim/commit/58a44751cec55be1ace0d4be5367dc19bc56be5d Author: zeertzjq <zeertzjq@outlook.com> Date: Sun Apr 30 15:29:56 2023 +0100 patch 9.0.1500: The falsy operator is not tested properly Problem: The falsy operator is not tested properly. Solution: Add a few more test cases. (closes https://github.com/vim/vim/issues/12319)

/^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/