error: any use of this value will cause an error
  --> $DIR/erroneous_const2.rs:LL:CC
   |
LL | const FOO: u32 = [X - Y, Y - X][(X < Y) as usize];
   | --------------    ^^^^^ attempt to compute `5_u32 - 6_u32`, which would overflow
   |
   = note: `#[deny(const_err)]` on by default
   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
   = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800>

error[E0080]: evaluation of constant value failed
  --> $DIR/erroneous_const2.rs:LL:CC
   |
LL |     println!("{}", FOO);
   |                    ^^^ referenced constant has errors

error: erroneous constant used
  --> $DIR/erroneous_const2.rs:LL:CC
   |
LL |     println!("{}", FOO);
   |                    ^^^ referenced constant has errors
   |
   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
   = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800>
   = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: post-monomorphization error: referenced constant has errors
  --> $DIR/erroneous_const2.rs:LL:CC
   |
LL |     println!("{}", FOO);
   |                    ^^^ referenced constant has errors
   |
   = note: inside `main` at $DIR/erroneous_const2.rs:LL:CC

note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace

error: aborting due to 4 previous errors

For more information about this error, try `rustc --explain E0080`.