| warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique |
| --> $DIR/fn-ptr-comparisons-some.rs:12:13 |
| | |
| LL | let _ = Some::<FnPtr>(func) == Some(func as unsafe extern "C" fn()); |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| | |
| = note: the address of the same function can vary between different codegen units |
| = note: furthermore, different functions could have the same address after being merged together |
| = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html> |
| = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default |
| |
| warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique |
| --> $DIR/fn-ptr-comparisons-some.rs:15:5 |
| | |
| LL | assert_eq!(Some::<FnPtr>(func), Some(func as unsafe extern "C" fn())); |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| | |
| = note: the address of the same function can vary between different codegen units |
| = note: furthermore, different functions could have the same address after being merged together |
| = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html> |
| = note: this warning originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) |
| |
| warning: 2 warnings emitted |
| |