src/test/ui/consts/missing_span_in_backtrace.stderr

   1 error[E0080]: evaluation of constant value failed
   2   --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL
   3    |
   4    = note: unable to copy parts of a pointer from memory at ALLOC_ID
   5    |
   6    = help: this code performed an operation that depends on the underlying bytes representing a pointer
   7    = help: the absolute address of a pointer is not known at compile-time, so such operations are not supported
   8 note: inside `std::ptr::read::<MaybeUninit<MaybeUninit<u8>>>`
   9   --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL
  10 note: inside `mem::swap_simple::<MaybeUninit<MaybeUninit<u8>>>`
  11   --> $SRC_DIR/core/src/mem/mod.rs:LL:COL
  12 note: inside `ptr::swap_nonoverlapping_simple_untyped::<MaybeUninit<u8>>`
  13   --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL
  14 note: inside `swap_nonoverlapping::<MaybeUninit<u8>>`
  15   --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL
  16 note: inside `X`
  17   --> $DIR/missing_span_in_backtrace.rs:17:9
  18    |
  19 17 | /         ptr::swap_nonoverlapping(
  20 18 | |             &mut ptr1 as *mut _ as *mut MaybeUninit<u8>,
  21 19 | |             &mut ptr2 as *mut _ as *mut MaybeUninit<u8>,
  22 20 | |             mem::size_of::<&i32>(),
  23 21 | |         );
  24    | |_________^
  25
  26 error: aborting due to previous error
  27
  28 For more information about this error, try `rustc --explain E0080`.