#![allow(unused_variables)] #![allow(unused_assignments)] #![allow(dead_code)] #![deny(unreachable_code)] fn b() { match () { () => return } println!("I am dead"); //~^ ERROR unreachable statement } fn c() { match () { () if false => return, () => () } println!("I am not dead"); } fn d() { match () { () if false => return, () => return } println!("I am dead"); //~^ ERROR unreachable statement } fn e() { // Here the compiler fails to figure out that the `println` is dead. match () { () if return => (), () => return } println!("I am dead"); } fn f() { match Some(()) { None => (), Some(()) => return } println!("I am not dead"); } fn g() { match Some(()) { None => return, Some(()) => () } println!("I am not dead"); } fn main() { }