1 error: any use of this value will cause an error
2 --> $DIR/const-len-underflow-separate-spans.rs:7:20
4 LL | const LEN: usize = ONE - TWO;
5 | -------------------^^^^^^^^^-
7 | attempt to subtract with overflow
9 = note: `#[deny(const_err)]` on by default
11 error[E0080]: evaluation of constant value failed
12 --> $DIR/const-len-underflow-separate-spans.rs:11:17
14 LL | let a: [i8; LEN] = unimplemented!();
15 | ^^^ referenced constant has errors
17 error: aborting due to 2 previous errors
19 For more information about this error, try `rustc --explain E0080`.