The Itanium ABI is basically the reference ABI for all platforms, it doesn't only apply to Itanium. Rust's error checking overhead is not unanimously irrelevan

The Itanium ABI is basically the reference ABI for all platforms, it doesn't only apply to Itanium. Rust's error checking overhead is not unanimously irrelevant, it's not uncommon for functions to be called in tight loops. I won't address your other comments since they are subjective and/or dependent on circumstances.