+error[E0080]: evaluation of constant value failed
+ --> $DIR/const-eval-overflow-2.rs:11:25
+ |
+LL | const NEG_NEG_128: i8 = -NEG_128;
+ | ^^^^^^^^ attempt to negate `i8::MIN`, which would overflow
+
error: could not evaluate constant pattern
--> $DIR/const-eval-overflow-2.rs:15:9
|
LL | NEG_NEG_128 => println!("A"),
| ^^^^^^^^^^^
-error: aborting due to 2 previous errors
-
-Future incompatibility report: Future breakage diagnostic:
-warning: any use of this value will cause an error
- --> $DIR/const-eval-overflow-2.rs:11:25
- |
-LL | const NEG_NEG_128: i8 = -NEG_128;
- | --------------------- ^^^^^^^^ attempt to negate `i8::MIN`, which would overflow
- |
-note: the lint level is defined here
- --> $DIR/const-eval-overflow-2.rs:4:36
- |
-LL | #![allow(unused_imports, warnings, const_err)]
- | ^^^^^^^^^
- = 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: aborting due to 3 previous errors
+For more information about this error, try `rustc --explain E0080`.