1 error[E0017]: references in constants may only refer to immutable values
2 --> $DIR/projection_qualif.rs:6:27
4 LL | let b: *mut u32 = &mut a; //~ ERROR may only refer to immutable values
5 | ^^^^^^ constants require immutable values
7 error[E0019]: constant contains unimplemented expression type
8 --> $DIR/projection_qualif.rs:7:18
10 LL | unsafe { *b = 5; } //~ ERROR dereferencing raw pointers in constants
13 error[E0658]: dereferencing raw pointers in constants is unstable (see issue #51911)
14 --> $DIR/projection_qualif.rs:7:18
16 LL | unsafe { *b = 5; } //~ ERROR dereferencing raw pointers in constants
19 = help: add #![feature(const_raw_ptr_deref)] to the crate attributes to enable
21 error: aborting due to 3 previous errors
23 Some errors occurred: E0017, E0019, E0658.
24 For more information about an error, try `rustc --explain E0017`.