rust/src/test/ui/issues/issue-52023-array-size-pointer-cast.stderr
2019-08-02 23:04:11 +02:00

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error[E0658]: casting pointers to integers in constants is unstable
--> $DIR/issue-52023-array-size-pointer-cast.rs:2:17
|
LL | let _ = [0; (&0 as *const i32) as usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: for more information, see https://github.com/rust-lang/rust/issues/51910
= help: add `#![feature(const_raw_ptr_to_usize_cast)]` to the crate attributes to enable
error[E0080]: evaluation of constant value failed
--> $DIR/issue-52023-array-size-pointer-cast.rs:2:17
|
LL | let _ = [0; (&0 as *const i32) as usize];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ "pointer-to-integer cast" needs an rfc before being allowed inside constants
error: aborting due to 2 previous errors
Some errors have detailed explanations: E0080, E0658.
For more information about an error, try `rustc --explain E0080`.