| #[repr(packed)] |
| pub struct Good { |
| data: &'static u32, |
| data2: [&'static u32; 2], |
| aligned: [u8; 32], |
| } |
| |
| #[deny(safe_packed_borrows)] |
| fn main() { |
| let good = Good { |
| data: &0, |
| data2: [&0, &0], |
| aligned: [0; 32] |
| }; |
| |
| unsafe { |
| let _ = &good.data; // ok |
| let _ = &good.data2[0]; // ok |
| } |
| |
| let _ = &good.data; //~ ERROR borrow of packed field is unsafe |
| //~| hard error |
| let _ = &good.data2[0]; //~ ERROR borrow of packed field is unsafe |
| //~| hard error |
| let _ = &*good.data; // ok, behind a pointer |
| let _ = &good.aligned; // ok, has align 1 |
| let _ = &good.aligned[2]; // ok, has align 1 |
| } |
