error: any use of this value will cause an error --> $DIR/const_raw_ptr_ops.rs:6:1 | LL | const X: bool = unsafe { &1 as *const i32 == &2 as *const i32 }; | ^^^^^^^^^^^^^^^^^^^^^^^^^------------------------------------^^^ | | | "pointer arithmetic or comparison" needs an rfc before being allowed inside constants | = note: #[deny(const_err)] on by default error: any use of this value will cause an error --> $DIR/const_raw_ptr_ops.rs:12:1 | LL | const Y2: usize = unsafe { &1 as *const i32 as usize + 1 }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^-----------------------------^^^ | | | "pointer arithmetic or comparison" needs an rfc before being allowed inside constants error: any use of this value will cause an error --> $DIR/const_raw_ptr_ops.rs:16:1 | LL | const Z2: i32 = unsafe { *(42 as *const i32) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^-------------------^^^ | | | a memory access tried to interpret some bytes as a pointer error: any use of this value will cause an error --> $DIR/const_raw_ptr_ops.rs:17:1 | LL | const Z3: i32 = unsafe { *(44 as *const i32) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^-------------------^^^ | | | a memory access tried to interpret some bytes as a pointer error: aborting due to 4 previous errors