#![feature(non_exhaustive_omitted_patterns_lint)] #![warn(clippy::match_same_arms)] #![no_main] //@no-rustfix use std::sync::atomic::Ordering; // #[non_exhaustive] enum fn repeat() -> ! { panic!() } pub fn f(x: Ordering) { match x { Ordering::Relaxed => println!("relaxed"), Ordering::Release => println!("release"), Ordering::Acquire => println!("acquire"), Ordering::AcqRel | Ordering::SeqCst => repeat(), #[deny(non_exhaustive_omitted_patterns)] _ => repeat(), } } mod f { #![deny(non_exhaustive_omitted_patterns)] use super::*; pub fn f(x: Ordering) { match x { Ordering::Relaxed => println!("relaxed"), Ordering::Release => println!("release"), Ordering::Acquire => println!("acquire"), Ordering::AcqRel | Ordering::SeqCst => repeat(), _ => repeat(), } } } // Below should still lint pub fn g(x: Ordering) { match x { Ordering::Relaxed => println!("relaxed"), Ordering::Release => println!("release"), Ordering::Acquire => println!("acquire"), Ordering::AcqRel | Ordering::SeqCst => repeat(), //~^ ERROR: this match arm has an identical body to the `_` wildcard arm _ => repeat(), } } mod g { use super::*; pub fn g(x: Ordering) { match x { Ordering::Relaxed => println!("relaxed"), Ordering::Release => println!("release"), Ordering::Acquire => println!("acquire"), Ordering::AcqRel | Ordering::SeqCst => repeat(), //~^ ERROR: this match arm has an identical body to the `_` wildcard arm _ => repeat(), } } }