| // Check that we detect unused values that are cast to other things. | |
| // The problem was specified to casting to `*`, as creating unsafe | |
| // pointers was not being fully checked. Issue #20791. | |
| //@ run-rustfix | |
| #![allow(unused_variables)] | |
| fn main() { | |
| let x: &i32 = &42; | |
| let y = x as *const i32; //~ ERROR [E0381] | |
| } |