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error[E0080]: evaluation of constant value failed
--> $DIR/offset_from_ub.rs:18:27
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LL | let offset = unsafe { ptr_offset_from(field_ptr, base_ptr) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ptr_offset_from cannot compute offset of pointers into different allocations.
error[E0080]: evaluation of constant value failed
--> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
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LL | unsafe { intrinsics::ptr_offset_from(self, origin) }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| |
| 0x2a is not a valid pointer
| inside `ptr::const_ptr::<impl *const u8>::offset_from` at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
|
::: $DIR/offset_from_ub.rs:24:14
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LL | unsafe { (42 as *const u8).offset_from(&5u8) as usize }
| ----------------------------------- inside `NOT_PTR` at $DIR/offset_from_ub.rs:24:14
error[E0080]: evaluation of constant value failed
--> $DIR/offset_from_ub.rs:31:14
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LL | unsafe { ptr_offset_from(field_ptr, base_ptr as *const u16) }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ exact_div: 1_isize cannot be divided by 2_isize without remainder
error[E0080]: evaluation of constant value failed
--> $DIR/offset_from_ub.rs:37:14
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LL | unsafe { ptr_offset_from(ptr, ptr) }
| ^^^^^^^^^^^^^^^^^^^^^^^^^ null pointer is not a valid pointer for this operation
error[E0080]: evaluation of constant value failed
--> $DIR/offset_from_ub.rs:44:14
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LL | unsafe { ptr_offset_from(ptr2, ptr1) }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ 0x10 is not a valid pointer
error: aborting due to 5 previous errors
For more information about this error, try `rustc --explain E0080`.
|
