|  | warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected | 
|  | --> $DIR/ambiguous_wide_pointer_comparisons_suggestions.rs:8:13 | 
|  | | | 
|  | LL |     let _ = a == b; | 
|  | |             ^^^^^^ | 
|  | | | 
|  | = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default | 
|  | help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses | 
|  | | | 
|  | LL -     let _ = a == b; | 
|  | LL +     let _ = std::ptr::addr_eq(a, b); | 
|  | | | 
|  | help: use explicit `std::ptr::eq` method to compare metadata and addresses | 
|  | | | 
|  | LL -     let _ = a == b; | 
|  | LL +     let _ = std::ptr::eq(a, b); | 
|  | | | 
|  |  | 
|  | warning: 1 warning emitted | 
|  |  |