109 lines
4.8 KiB
Plaintext
109 lines
4.8 KiB
Plaintext
error[E0080]: evaluation of constant value failed
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--> $DIR/offset_from_ub.rs:19:27
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LL | let offset = unsafe { ptr_offset_from(field_ptr, base_ptr) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `ptr_offset_from` called on pointers into different allocations
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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: `ptr_offset_from` called on pointers into different allocations
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note: inside `std::ptr::const_ptr::<impl *const u8>::offset_from`
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--> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
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note: inside `NOT_PTR`
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--> $DIR/offset_from_ub.rs:25:14
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LL | unsafe { (42 as *const u8).offset_from(&5u8) as usize }
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error[E0080]: evaluation of constant value failed
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--> $DIR/offset_from_ub.rs:32:14
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LL | unsafe { ptr_offset_from(field_ptr, base_ptr as *const u16) }
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ exact_div: 1_isize cannot be divided by 2_isize without remainder
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error[E0080]: evaluation of constant value failed
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--> $DIR/offset_from_ub.rs:39:14
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LL | unsafe { ptr_offset_from(ptr2, ptr1) }
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds `offset_from` origin: expected a pointer to $BYTES bytes of memory, but got 0x8[noalloc] which is a dangling pointer (it has no provenance)
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error[E0080]: evaluation of constant value failed
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--> $DIR/offset_from_ub.rs:48:14
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LL | unsafe { ptr_offset_from(end_ptr, start_ptr) }
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds `offset_from` origin: expected a pointer to $BYTES bytes of memory, but got ALLOC0 which is only $BYTES bytes from the end of the allocation
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error[E0080]: evaluation of constant value failed
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--> $DIR/offset_from_ub.rs:57:14
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LL | unsafe { ptr_offset_from(start_ptr, end_ptr) }
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds `offset_from` origin: expected a pointer to the end of $BYTES bytes of memory, but got ALLOC1+0xa which does not have enough space to the beginning of the allocation
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error[E0080]: evaluation of constant value failed
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--> $DIR/offset_from_ub.rs:66:14
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LL | unsafe { ptr_offset_from_unsigned(field_ptr, base_ptr) }
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `ptr_offset_from_unsigned` called on pointers into different allocations
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error[E0080]: evaluation of constant value failed
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--> $DIR/offset_from_ub.rs:73:14
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LL | unsafe { ptr_offset_from(ptr2, ptr1) }
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ `ptr_offset_from` called when first pointer is too far ahead of second
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error[E0080]: evaluation of constant value failed
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--> $DIR/offset_from_ub.rs:79:14
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LL | unsafe { ptr_offset_from(ptr1, ptr2) }
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ `ptr_offset_from` called when first pointer is too far before second
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error[E0080]: evaluation of constant value failed
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--> $DIR/offset_from_ub.rs:87:14
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LL | unsafe { ptr_offset_from(ptr1, ptr2) }
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ `ptr_offset_from` called when first pointer is too far before second
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error[E0080]: evaluation of constant value failed
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--> $DIR/offset_from_ub.rs:94:14
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LL | unsafe { ptr_offset_from_unsigned(p, p.add(2) ) }
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `ptr_offset_from_unsigned` called when first pointer has smaller offset than second: 0 < 8
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error[E0080]: evaluation of constant value failed
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--> $DIR/offset_from_ub.rs:101:14
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LL | unsafe { ptr_offset_from_unsigned(ptr2, ptr1) }
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `ptr_offset_from_unsigned` called when first pointer is too far ahead of second
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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 `offset_from` origin: expected a pointer to $BYTES bytes of memory, but got a null pointer
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note: inside `std::ptr::const_ptr::<impl *const u8>::offset_from`
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--> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
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note: inside `OFFSET_VERY_FAR1`
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--> $DIR/offset_from_ub.rs:110:14
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LL | unsafe { ptr2.offset_from(ptr1) }
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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: `ptr_offset_from` called when first pointer is too far before second
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note: inside `std::ptr::const_ptr::<impl *const u8>::offset_from`
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--> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
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note: inside `OFFSET_VERY_FAR2`
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--> $DIR/offset_from_ub.rs:116:14
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LL | unsafe { ptr1.offset_from(ptr2.wrapping_offset(1)) }
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: aborting due to 14 previous errors
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For more information about this error, try `rustc --explain E0080`.
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