1 error[E0658]: casting pointers to integers in constants is unstable (see issue #51910)
2 --> $DIR/match-test-ptr-null.rs:16:15
4 LL | match &1 as *const i32 as usize { //~ ERROR casting pointers to integers in constants
5 | ^^^^^^^^^^^^^^^^^^^^^^^^^
7 = help: add #![feature(const_raw_ptr_to_usize_cast)] to the crate attributes to enable
9 error[E0019]: constant contains unimplemented expression type
10 --> $DIR/match-test-ptr-null.rs:17:13
12 LL | 0 => 42, //~ ERROR constant contains unimplemented expression type
15 error[E0080]: could not evaluate repeat length
16 --> $DIR/match-test-ptr-null.rs:15:26
18 LL | let _: [u8; 0] = [4; { //~ ERROR could not evaluate repeat length
19 | __________________________^
20 LL | | match &1 as *const i32 as usize { //~ ERROR casting pointers to integers in constants
21 LL | | 0 => 42, //~ ERROR constant contains unimplemented expression type
22 | | - "pointer arithmetic or comparison" needs an rfc before being allowed inside constants
23 LL | | //~^ NOTE "pointer arithmetic or comparison" needs an rfc before being allowed
29 error: aborting due to 3 previous errors
31 Some errors occurred: E0019, E0080, E0658.
32 For more information about an error, try `rustc --explain E0019`.