mirror of https://github.com/rust-lang/rust
147 lines
6.7 KiB
Plaintext
147 lines
6.7 KiB
Plaintext
error[E0080]: evaluation of constant value failed
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--> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
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= 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
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note: inside `std::ptr::const_ptr::<impl *const u8>::offset`
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--> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
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note: inside `BEFORE_START`
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--> $DIR/offset_ub.rs:8:46
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LL | pub const BEFORE_START: *const u8 = unsafe { (&0u8 as *const u8).offset(-1) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error[E0080]: evaluation of constant value failed
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--> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
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= 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
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note: inside `std::ptr::const_ptr::<impl *const u8>::offset`
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--> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
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note: inside `AFTER_END`
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--> $DIR/offset_ub.rs:9:43
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LL | pub const AFTER_END: *const u8 = unsafe { (&0u8 as *const u8).offset(2) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error[E0080]: evaluation of constant value failed
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--> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
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= 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
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note: inside `std::ptr::const_ptr::<impl *const u8>::offset`
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--> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
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note: inside `AFTER_ARRAY`
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--> $DIR/offset_ub.rs:10:45
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LL | pub const AFTER_ARRAY: *const u8 = unsafe { [0u8; 100].as_ptr().offset(101) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error[E0080]: evaluation of constant value failed
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--> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
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= note: overflowing pointer arithmetic: the total offset in bytes does not fit in an `isize`
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note: inside `std::ptr::const_ptr::<impl *const u16>::offset`
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--> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
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note: inside `OVERFLOW`
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--> $DIR/offset_ub.rs:12:43
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LL | pub const OVERFLOW: *const u16 = unsafe { [0u16; 1].as_ptr().offset(isize::MAX) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error[E0080]: evaluation of constant value failed
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--> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
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= note: overflowing pointer arithmetic: the total offset in bytes does not fit in an `isize`
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note: inside `std::ptr::const_ptr::<impl *const u16>::offset`
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--> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
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note: inside `UNDERFLOW`
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--> $DIR/offset_ub.rs:13:44
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LL | pub const UNDERFLOW: *const u16 = unsafe { [0u16; 1].as_ptr().offset(isize::MIN) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error[E0080]: evaluation of constant value failed
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--> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
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= 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)
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note: inside `std::ptr::const_ptr::<impl *const u8>::offset`
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--> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
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note: inside `OVERFLOW_ADDRESS_SPACE`
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--> $DIR/offset_ub.rs:14:56
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LL | pub const OVERFLOW_ADDRESS_SPACE: *const u8 = unsafe { (usize::MAX as *const u8).offset(2) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error[E0080]: evaluation of constant value failed
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--> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
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= 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)
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note: inside `std::ptr::const_ptr::<impl *const u8>::offset`
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--> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
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note: inside `UNDERFLOW_ADDRESS_SPACE`
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--> $DIR/offset_ub.rs:15:57
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LL | pub const UNDERFLOW_ADDRESS_SPACE: *const u8 = unsafe { (1 as *const u8).offset(-2) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error[E0080]: evaluation of constant value failed
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--> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
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= 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
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note: inside `std::ptr::const_ptr::<impl *const u8>::offset`
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--> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
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note: inside `NEGATIVE_OFFSET`
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--> $DIR/offset_ub.rs:16:49
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LL | pub const NEGATIVE_OFFSET: *const u8 = unsafe { [0u8; 1].as_ptr().wrapping_offset(-2).offset(-2) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error[E0080]: evaluation of constant value failed
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--> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
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= 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
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note: inside `std::ptr::const_ptr::<impl *const u8>::offset`
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--> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
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note: inside `ZERO_SIZED_ALLOC`
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--> $DIR/offset_ub.rs:18:50
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LL | pub const ZERO_SIZED_ALLOC: *const u8 = unsafe { [0u8; 0].as_ptr().offset(1) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error[E0080]: evaluation of constant value failed
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--> $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
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= 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)
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note: inside `std::ptr::mut_ptr::<impl *mut u8>::offset`
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--> $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
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note: inside `DANGLING`
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--> $DIR/offset_ub.rs:19:42
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LL | pub const DANGLING: *const u8 = unsafe { ptr::NonNull::<u8>::dangling().as_ptr().offset(4) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error[E0080]: evaluation of constant value failed
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--> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
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= 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)
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note: inside `std::ptr::const_ptr::<impl *const u8>::offset`
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--> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
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note: inside `UNDERFLOW_ABS`
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--> $DIR/offset_ub.rs:22:47
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LL | pub const UNDERFLOW_ABS: *const u8 = unsafe { (usize::MAX as *const u8).offset(isize::MIN) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: aborting due to 11 previous errors
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For more information about this error, try `rustc --explain E0080`.
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