{"ast_node_type":"other","tokens":[{"end":101,"kind":"keyword","start":0,"text":"//"}]}
                    // `*const T -> *mut T -> NonNull<T>` is fine, but we need to check for narrowing
                    // PtrToPtr-then-Transmute is fine so long as the pointer cast is identity:
                    // to skip things like `*const [i32] -> *const i32 -> NonNull<T>`.