src/test/ui/consts/copy-intrinsic.stderr

   1 error: any use of this value will cause an error
   2   --> $DIR/copy-intrinsic.rs:16:5
   3    |
   4 LL | / const COPY_OOB_1: () = unsafe {
   5 LL | |     let mut x = 0i32;
   6 LL | |     let dangle = (&mut x as *mut i32).wrapping_add(10);
   7 LL | |     // Even if the first ptr is an int ptr and this is a ZST copy, we should detect dangling 2nd ptrs.
   8 LL | |     ptr::copy_nonoverlapping(0x100 as *const i32, dangle, 0);
   9    | |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: pointer must be in-bounds at offset 40, but is outside bounds of alloc4 which has size 4
  10 LL | |
  11 LL | |
  12 LL | | };
  13    | |__-
  14    |
  15    = note: `#[deny(const_err)]` on by default
  16    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
  17    = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800>
  18
  19 error: any use of this value will cause an error
  20   --> $DIR/copy-intrinsic.rs:24:5
  21    |
  22 LL | / const COPY_OOB_2: () = unsafe {
  23 LL | |     let x = 0i32;
  24 LL | |     let dangle = (&x as *const i32).wrapping_add(10);
  25 LL | |     // Even if the second ptr is an int ptr and this is a ZST copy, we should detect dangling 1st ptrs.
  26 LL | |     ptr::copy_nonoverlapping(dangle, 0x100 as *mut i32, 0);
  27    | |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: pointer must be in-bounds at offset 40, but is outside bounds of alloc6 which has size 4
  28 LL | |
  29 LL | |
  30 LL | | };
  31    | |__-
  32    |
  33    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
  34    = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800>
  35
  36 error: any use of this value will cause an error
  37   --> $DIR/copy-intrinsic.rs:32:5
  38    |
  39 LL | / const COPY_SIZE_OVERFLOW: () = unsafe {
  40 LL | |     let x = 0;
  41 LL | |     let mut y = 0;
  42 LL | |     ptr::copy(&x, &mut y, 1usize << (mem::size_of::<usize>() * 8 - 1));
  43    | |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overflow computing total size of `copy`
  44 LL | |
  45 LL | |
  46 LL | | };
  47    | |__-
  48    |
  49    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
  50    = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800>
  51
  52 error: any use of this value will cause an error
  53   --> $DIR/copy-intrinsic.rs:39:5
  54    |
  55 LL | / const COPY_NONOVERLAPPING_SIZE_OVERFLOW: () = unsafe {
  56 LL | |     let x = 0;
  57 LL | |     let mut y = 0;
  58 LL | |     ptr::copy_nonoverlapping(&x, &mut y, 1usize << (mem::size_of::<usize>() * 8 - 1));
  59    | |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overflow computing total size of `copy_nonoverlapping`
  60 LL | |
  61 LL | |
  62 LL | | };
  63    | |__-
  64    |
  65    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
  66    = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800>
  67
  68 error: aborting due to 4 previous errors
  69