Consider adding -Wextra. It adds a lot of warnings that will likely be bugs, but may throw more false positives than -Wall. If you are willing to put up with

Consider adding -Wextra. It adds a lot of warnings that will likely be bugs, but may throw more false positives than -Wall. If you are willing to put up with more false positives and/or are willing to disable certain warnings, consider -Weverything.