[Bug c/84510] C front-end does not utilise -Wuseless-cast

[dev at joren dot ga via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84510

--- Comment #1 from Jakub Łukasiewicz <dev at joren dot ga> ---
It would be really helpful in preventing explicit void* casting; especially in
case with malloc().