| error: Undefined Behavior: trying to retag from <TAG> for Unique permission at ALLOC[0x0], but that tag only grants SharedReadOnly permission for this location |
| --> RUSTLIB/core/src/ptr/mod.rs:LL:CC |
| | |
| LL | pub unsafe fn drop_in_place<T: ?Sized>(to_drop: *mut T) { |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | trying to retag from <TAG> for Unique permission at ALLOC[0x0], but that tag only grants SharedReadOnly permission for this location |
| | this error occurs as part of retag at ALLOC[0x0..0x1] |
| | |
| = help: this indicates a potential bug in the program: it performed an invalid operation, but the Stacked Borrows rules it violated are still experimental |
| = help: see https://github.com/rust-lang/unsafe-code-guidelines/blob/master/wip/stacked-borrows.md for further information |
| help: <TAG> was created by a SharedReadOnly retag at offsets [0x0..0x1] |
| --> $DIR/drop_in_place_retag.rs:LL:CC |
| | |
| LL | let x = core::ptr::addr_of!(x); |
| | ^^^^^^^^^^^^^^^^^^^^^^ |
| = note: BACKTRACE (of the first span): |
| = note: inside `std::ptr::drop_in_place::<u8> - shim(None)` at RUSTLIB/core/src/ptr/mod.rs:LL:CC |
| note: inside `main` |
| --> $DIR/drop_in_place_retag.rs:LL:CC |
| | |
| LL | core::ptr::drop_in_place(x.cast_mut()); |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| = note: this error originates in the macro `core::ptr::addr_of` (in Nightly builds, run with -Z macro-backtrace for more info) |
| |
| note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace |
| |
| error: aborting due to 1 previous error |
| |
