[libc-commits] [libc] [libc] Fix Cppcheck Issues (PR #96999)

[via libc-commits]

jameshu15869 wrote:

> @jameshu15869 Do you think we can turn on most of the warning flags together with `Werror` for `benchmark` folder similar to our `src` folder?
> https://github.com/llvm/llvm-project/blob/main/libc/cmake/modules/LLVMLibCCompileOptionRules.cmake#L73-L78

I don't think I built LLVM using the `LIBC_WNO_ERROR` option, but I don't think I see `-Werror` in my compile options. 

@jhuber6 is `-Werror` supposed to show up in my compile flags?

https://github.com/llvm/llvm-project/pull/96999