error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | = note: out-of-bounds pointer arithmetic: expected a pointer to the end of 1 byte of memory, but got ALLOC0 which is at the beginning of the allocation | note: inside `std::ptr::const_ptr::::offset` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL note: inside `BEFORE_START` --> $DIR/offset_ub.rs:8:46 | LL | pub const BEFORE_START: *const u8 = unsafe { (&0u8 as *const u8).offset(-1) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | = note: out-of-bounds pointer arithmetic: expected a pointer to $BYTES bytes of memory, but got ALLOC1 which is only 1 byte from the end of the allocation | note: inside `std::ptr::const_ptr::::offset` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL note: inside `AFTER_END` --> $DIR/offset_ub.rs:9:43 | LL | pub const AFTER_END: *const u8 = unsafe { (&0u8 as *const u8).offset(2) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | = note: out-of-bounds pointer arithmetic: expected a pointer to $BYTES bytes of memory, but got ALLOC2 which is only $BYTES bytes from the end of the allocation | note: inside `std::ptr::const_ptr::::offset` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL note: inside `AFTER_ARRAY` --> $DIR/offset_ub.rs:10:45 | LL | pub const AFTER_ARRAY: *const u8 = unsafe { [0u8; 100].as_ptr().offset(101) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | = note: overflowing pointer arithmetic: the total offset in bytes does not fit in an `isize` | note: inside `std::ptr::const_ptr::::offset` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL note: inside `OVERFLOW` --> $DIR/offset_ub.rs:12:43 | LL | pub const OVERFLOW: *const u16 = unsafe { [0u16; 1].as_ptr().offset(isize::MAX) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | = note: overflowing pointer arithmetic: the total offset in bytes does not fit in an `isize` | note: inside `std::ptr::const_ptr::::offset` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL note: inside `UNDERFLOW` --> $DIR/offset_ub.rs:13:44 | LL | pub const UNDERFLOW: *const u16 = unsafe { [0u16; 1].as_ptr().offset(isize::MIN) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | = note: out-of-bounds pointer arithmetic: expected a pointer to $BYTES bytes of memory, but got 0xf..f[noalloc] which is a dangling pointer (it has no provenance) | note: inside `std::ptr::const_ptr::::offset` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL note: inside `OVERFLOW_ADDRESS_SPACE` --> $DIR/offset_ub.rs:14:56 | LL | pub const OVERFLOW_ADDRESS_SPACE: *const u8 = unsafe { (usize::MAX as *const u8).offset(2) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | = note: out-of-bounds pointer arithmetic: expected a pointer to the end of $BYTES bytes of memory, but got 0x1[noalloc] which is a dangling pointer (it has no provenance) | note: inside `std::ptr::const_ptr::::offset` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL note: inside `UNDERFLOW_ADDRESS_SPACE` --> $DIR/offset_ub.rs:15:57 | LL | pub const UNDERFLOW_ADDRESS_SPACE: *const u8 = unsafe { (1 as *const u8).offset(-2) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | = note: out-of-bounds pointer arithmetic: expected a pointer to the end of $BYTES bytes of memory, but got ALLOC3-0x2 which points to before the beginning of the allocation | note: inside `std::ptr::const_ptr::::offset` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL note: inside `NEGATIVE_OFFSET` --> $DIR/offset_ub.rs:16:49 | LL | pub const NEGATIVE_OFFSET: *const u8 = unsafe { [0u8; 1].as_ptr().wrapping_offset(-2).offset(-2) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | = note: out-of-bounds pointer arithmetic: expected a pointer to 1 byte of memory, but got ALLOC4 which is at or beyond the end of the allocation of size $BYTES bytes | note: inside `std::ptr::const_ptr::::offset` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL note: inside `ZERO_SIZED_ALLOC` --> $DIR/offset_ub.rs:18:50 | LL | pub const ZERO_SIZED_ALLOC: *const u8 = unsafe { [0u8; 0].as_ptr().offset(1) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL | = note: out-of-bounds pointer arithmetic: expected a pointer to $BYTES bytes of memory, but got 0x1[noalloc] which is a dangling pointer (it has no provenance) | note: inside `std::ptr::mut_ptr::::offset` --> $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL note: inside `DANGLING` --> $DIR/offset_ub.rs:19:42 | LL | pub const DANGLING: *const u8 = unsafe { ptr::NonNull::::dangling().as_ptr().offset(4) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | = note: out-of-bounds pointer arithmetic: expected a pointer to the end of $BYTES bytes of memory, but got 0xf..f[noalloc] which is a dangling pointer (it has no provenance) | note: inside `std::ptr::const_ptr::::offset` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL note: inside `UNDERFLOW_ABS` --> $DIR/offset_ub.rs:22:47 | LL | pub const UNDERFLOW_ABS: *const u8 = unsafe { (usize::MAX as *const u8).offset(isize::MIN) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to 11 previous errors For more information about this error, try `rustc --explain E0080`.