|  | error[E0080]: exposing pointers is not possible at compile-time | 
|  | --> $DIR/ptr_arith.rs:7:13 | 
|  | | | 
|  | LL |     let x = &0 as *const _ as usize; | 
|  | |             ^^^^^^^^^^^^^^^^^^^^^^^ evaluation of `PTR_INT_CAST` failed here | 
|  |  | 
|  | error[E0080]: unable to turn pointer into integer | 
|  | --> $DIR/ptr_arith.rs:14:14 | 
|  | | | 
|  | LL |     let _v = x + 0; | 
|  | |              ^ evaluation of `PTR_INT_TRANSMUTE` failed here | 
|  | | | 
|  | = help: this code performed an operation that depends on the underlying bytes representing a pointer | 
|  | = help: the absolute address of a pointer is not known at compile-time, so such operations are not supported | 
|  |  | 
|  | warning: skipping const checks | 
|  | | | 
|  | help: skipping check that does not even have a feature gate | 
|  | --> $DIR/ptr_arith.rs:7:13 | 
|  | | | 
|  | LL |     let x = &0 as *const _ as usize; | 
|  | |             ^^^^^^^^^^^^^^^^^^^^^^^ | 
|  |  | 
|  | error: aborting due to 2 previous errors; 1 warning emitted | 
|  |  | 
|  | For more information about this error, try `rustc --explain E0080`. |