error[E0133]: call to unsafe function is unsafe and requires unsafe function or block --> $DIR/issue-28776.rs:7:5 | LL | (&ptr::write)(1 as *mut _, 42); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function | = note: consult the function's documentation for information on how to avoid undefined behavior error: aborting due to previous error For more information about this error, try `rustc --explain E0133`.