tests/ui/consts/offset_ub.stderr

   1 error[E0080]: evaluation of constant value failed
   2   --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
   3    |
   4    = note: overflowing in-bounds pointer arithmetic
   5    |
   6 note: inside `ptr::const_ptr::<impl *const u8>::offset`
   7   --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
   8 note: inside `BEFORE_START`
   9   --> $DIR/offset_ub.rs:7:46
  10    |
  11 LL | pub const BEFORE_START: *const u8 = unsafe { (&0u8 as *const u8).offset(-1) };
  12    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  13
  14 error[E0080]: evaluation of constant value failed
  15   --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
  16    |
  17    = note: out-of-bounds pointer arithmetic: allocN has size 1, so pointer to 2 bytes starting at offset 0 is out-of-bounds
  18    |
  19 note: inside `ptr::const_ptr::<impl *const u8>::offset`
  20   --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
  21 note: inside `AFTER_END`
  22   --> $DIR/offset_ub.rs:8:43
  23    |
  24 LL | pub const AFTER_END: *const u8 = unsafe { (&0u8 as *const u8).offset(2) };
  25    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  26
  27 error[E0080]: evaluation of constant value failed
  28   --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
  29    |
  30    = note: out-of-bounds pointer arithmetic: allocN has size 100, so pointer to 101 bytes starting at offset 0 is out-of-bounds
  31    |
  32 note: inside `ptr::const_ptr::<impl *const u8>::offset`
  33   --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
  34 note: inside `AFTER_ARRAY`
  35   --> $DIR/offset_ub.rs:9:45
  36    |
  37 LL | pub const AFTER_ARRAY: *const u8 = unsafe { [0u8; 100].as_ptr().offset(101) };
  38    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  39
  40 error[E0080]: evaluation of constant value failed
  41   --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
  42    |
  43    = note: overflowing in-bounds pointer arithmetic
  44    |
  45 note: inside `ptr::const_ptr::<impl *const u16>::offset`
  46   --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
  47 note: inside `OVERFLOW`
  48   --> $DIR/offset_ub.rs:11:43
  49    |
  50 LL | pub const OVERFLOW: *const u16 = unsafe { [0u16; 1].as_ptr().offset(isize::MAX) };
  51    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  52
  53 error[E0080]: evaluation of constant value failed
  54   --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
  55    |
  56    = note: overflowing in-bounds pointer arithmetic
  57    |
  58 note: inside `ptr::const_ptr::<impl *const u16>::offset`
  59   --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
  60 note: inside `UNDERFLOW`
  61   --> $DIR/offset_ub.rs:12:44
  62    |
  63 LL | pub const UNDERFLOW: *const u16 = unsafe { [0u16; 1].as_ptr().offset(isize::MIN) };
  64    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  65
  66 error[E0080]: evaluation of constant value failed
  67   --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
  68    |
  69    = note: overflowing in-bounds pointer arithmetic
  70    |
  71 note: inside `ptr::const_ptr::<impl *const u8>::offset`
  72   --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
  73 note: inside `OVERFLOW_ADDRESS_SPACE`
  74   --> $DIR/offset_ub.rs:13:56
  75    |
  76 LL | pub const OVERFLOW_ADDRESS_SPACE: *const u8 = unsafe { (usize::MAX as *const u8).offset(2) };
  77    |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  78
  79 error[E0080]: evaluation of constant value failed
  80   --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
  81    |
  82    = note: overflowing in-bounds pointer arithmetic
  83    |
  84 note: inside `ptr::const_ptr::<impl *const u8>::offset`
  85   --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
  86 note: inside `UNDERFLOW_ADDRESS_SPACE`
  87   --> $DIR/offset_ub.rs:14:57
  88    |
  89 LL | pub const UNDERFLOW_ADDRESS_SPACE: *const u8 = unsafe { (1 as *const u8).offset(-2) };
  90    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  91
  92 error[E0080]: evaluation of constant value failed
  93   --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
  94    |
  95    = note: out-of-bounds pointer arithmetic: allocN has size 1, so pointer to 2 bytes starting at offset -4 is out-of-bounds
  96    |
  97 note: inside `ptr::const_ptr::<impl *const u8>::offset`
  98   --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
  99 note: inside `NEGATIVE_OFFSET`
 100   --> $DIR/offset_ub.rs:15:49
 101    |
 102 LL | pub const NEGATIVE_OFFSET: *const u8 = unsafe { [0u8; 1].as_ptr().wrapping_offset(-2).offset(-2) };
 103    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 104
 105 error[E0080]: evaluation of constant value failed
 106   --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
 107    |
 108    = note: out-of-bounds pointer arithmetic: allocN has size 0, so pointer to 1 byte starting at offset 0 is out-of-bounds
 109    |
 110 note: inside `ptr::const_ptr::<impl *const u8>::offset`
 111   --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
 112 note: inside `ZERO_SIZED_ALLOC`
 113   --> $DIR/offset_ub.rs:17:50
 114    |
 115 LL | pub const ZERO_SIZED_ALLOC: *const u8 = unsafe { [0u8; 0].as_ptr().offset(1) };
 116    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 117
 118 error[E0080]: evaluation of constant value failed
 119   --> $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
 120    |
 121    = note: out-of-bounds pointer arithmetic: 0x1[noalloc] is a dangling pointer (it has no provenance)
 122    |
 123 note: inside `ptr::mut_ptr::<impl *mut u8>::offset`
 124   --> $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
 125 note: inside `DANGLING`
 126   --> $DIR/offset_ub.rs:18:42
 127    |
 128 LL | pub const DANGLING: *const u8 = unsafe { ptr::NonNull::<u8>::dangling().as_ptr().offset(4) };
 129    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 130
 131 error[E0080]: evaluation of constant value failed
 132   --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
 133    |
 134    = note: out-of-bounds pointer arithmetic: null pointer is a dangling pointer (it has no provenance)
 135    |
 136 note: inside `ptr::const_ptr::<impl *const u8>::offset`
 137   --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
 138 note: inside `NULL_OFFSET_ZERO`
 139   --> $DIR/offset_ub.rs:21:50
 140    |
 141 LL | pub const NULL_OFFSET_ZERO: *const u8 = unsafe { ptr::null::<u8>().offset(0) };
 142    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 143
 144 error[E0080]: evaluation of constant value failed
 145   --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
 146    |
 147    = note: out-of-bounds pointer arithmetic: 0x7f..f[noalloc] is a dangling pointer (it has no provenance)
 148    |
 149 note: inside `ptr::const_ptr::<impl *const u8>::offset`
 150   --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
 151 note: inside `UNDERFLOW_ABS`
 152   --> $DIR/offset_ub.rs:24:47
 153    |
 154 LL | pub const UNDERFLOW_ABS: *const u8 = unsafe { (usize::MAX as *const u8).offset(isize::MIN) };
 155    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 156
 157 error: aborting due to 12 previous errors
 158
 159 For more information about this error, try `rustc --explain E0080`.