Keep in mind Rust is using the same backend as one of the main C compilers, LLVM. So if it is handling it any better that means the Clang developers handle it before it even reaches the shared LLVM backend. Well, or there is something about the way Clang structures the code that catches a pattern in the backend the Rust developers do not know about.

I mean yea, i just view rust as the quality-oriented spear of western development.

Rust is absolutely an improvement over C in every way.