const Y: u32 = 6;
const FOO: u32 = [X - Y, Y - X][(X < Y) as usize];
//~^ WARN any use of this value will cause an error
+//~| WARN this was previously accepted by the compiler but is being phased out
fn main() {
println!("{}", FOO);
//~^ ERROR
//~| WARN erroneous constant used [const_err]
+ //~| WARN this was previously accepted by the compiler but is being phased out
}