| error[E0080]: evaluation of constant value failed | |
| --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL | |
| | | |
| = note: unable to copy parts of a pointer from memory at ALLOC0 | |
| | | |
| note: inside `std::ptr::read::<MaybeUninit<MaybeUninit<u8>>>` | |
| --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL | |
| note: inside `std::ptr::swap_nonoverlapping_simple_untyped::<MaybeUninit<u8>>` | |
| --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL | |
| note: inside `swap_nonoverlapping::<MaybeUninit<u8>>` | |
| --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL | |
| note: inside `X` | |
| --> $DIR/missing_span_in_backtrace.rs:16:9 | |
| | | |
| 16 | / ptr::swap_nonoverlapping( | |
| 17 | | &mut ptr1 as *mut _ as *mut MaybeUninit<u8>, | |
| 18 | | &mut ptr2 as *mut _ as *mut MaybeUninit<u8>, | |
| 19 | | mem::size_of::<&i32>(), | |
| 20 | | ); | |
| | |_________^ | |
| = help: this code performed an operation that depends on the underlying bytes representing a pointer | |
| = help: the absolute address of a pointer is not known at compile-time, so such operations are not supported | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0080`. |