1 error[E0080]: could not evaluate constant pattern
2 --> $DIR/const-eval-overflow-2.rs:25:9
4 LL | const NEG_NEG_128: i8 = -NEG_128;
5 | -------- attempt to negate with overflow
7 LL | NEG_NEG_128 => println!("A"),
10 error: aborting due to previous error
12 For more information about this error, try `rustc --explain E0080`.