1 error: any use of this value will cause an error
2 --> $DIR/unused-broken-const.rs:5:18
4 LL | const FOO: i32 = [][0];
5 | -------------- ^^^^^ index out of bounds: the length is 0 but the index is 0
7 = note: `#[deny(const_err)]` on by default
8 = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
9 = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800>
11 error: aborting due to previous error
13 Future incompatibility report: Future breakage diagnostic:
14 error: any use of this value will cause an error
15 --> $DIR/unused-broken-const.rs:5:18
17 LL | const FOO: i32 = [][0];
18 | -------------- ^^^^^ index out of bounds: the length is 0 but the index is 0
20 = note: `#[deny(const_err)]` on by default
21 = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
22 = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800>