mirror of https://github.com/rust-lang/rust
115 lines
4.9 KiB
Plaintext
115 lines
4.9 KiB
Plaintext
error[E0080]: evaluation of constant value failed
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--> $DIR/offset_from_ub.rs:18:27
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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:24:14
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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:31:14
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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:37:14
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LL | unsafe { ptr_offset_from(ptr, ptr) }
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| ^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds `offset_from`: null pointer 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:44:14
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LL | unsafe { ptr_offset_from(ptr2, ptr1) }
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ `ptr_offset_from` called on different pointers without provenance (i.e., without an associated allocation)
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error[E0080]: evaluation of constant value failed
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--> $DIR/offset_from_ub.rs:53:14
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LL | unsafe { ptr_offset_from(end_ptr, start_ptr) }
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds `offset_from`: ALLOC0 has size 4, so pointer to 10 bytes starting at offset 0 is out-of-bounds
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error[E0080]: evaluation of constant value failed
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--> $DIR/offset_from_ub.rs:62:14
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LL | unsafe { ptr_offset_from(start_ptr, end_ptr) }
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds `offset_from`: ALLOC1 has size 4, so pointer to 10 bytes starting at offset 0 is out-of-bounds
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error[E0080]: evaluation of constant value failed
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--> $DIR/offset_from_ub.rs:70:14
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LL | unsafe { ptr_offset_from(end_ptr, end_ptr) }
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds `offset_from`: ALLOC2 has size 4, so pointer at offset 10 is out-of-bounds
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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_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:86:14
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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:92:14
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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:99:14
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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:106:14
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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: `ptr_offset_from` called on different pointers without provenance (i.e., without an associated allocation)
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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:115:14
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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 on different pointers without provenance (i.e., without an associated allocation)
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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:121:14
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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 15 previous errors
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For more information about this error, try `rustc --explain E0080`.
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