mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-24 07:44:10 +00:00
41 lines
2.0 KiB
Plaintext
41 lines
2.0 KiB
Plaintext
error[E0080]: evaluation of constant value failed
|
|
--> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
|
|
|
|
|
= note: out-of-bounds pointer arithmetic: alloc3 has size $WORD, so pointer to $TWO_WORDS bytes starting at offset 0 is out-of-bounds
|
|
|
|
|
note: inside `ptr::const_ptr::<impl *const usize>::offset`
|
|
--> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
|
|
note: inside `_`
|
|
--> $DIR/ptr_comparisons.rs:50:34
|
|
|
|
|
LL | const _: *const usize = unsafe { (FOO as *const usize).offset(2) };
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
error[E0080]: evaluation of constant value failed
|
|
--> $DIR/ptr_comparisons.rs:53:33
|
|
|
|
|
LL | unsafe { std::ptr::addr_of!((*(FOO as *const usize as *const [u8; 1000]))[999]) };
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ dereferencing pointer failed: alloc3 has size $WORD, so pointer to 1000 bytes starting at offset 0 is out-of-bounds
|
|
|
|
error[E0080]: evaluation of constant value failed
|
|
--> $DIR/ptr_comparisons.rs:57:27
|
|
|
|
|
LL | const _: usize = unsafe { std::mem::transmute::<*const usize, usize>(FOO) + 4 };
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes
|
|
|
|
|
= help: this code performed an operation that depends on the underlying bytes representing a pointer
|
|
= help: the absolute address of a pointer is not known at compile-time, so such operations are not supported
|
|
|
|
error[E0080]: evaluation of constant value failed
|
|
--> $DIR/ptr_comparisons.rs:61:27
|
|
|
|
|
LL | const _: usize = unsafe { *std::mem::transmute::<&&usize, &usize>(&FOO) + 4 };
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes
|
|
|
|
|
= help: this code performed an operation that depends on the underlying bytes representing a pointer
|
|
= help: the absolute address of a pointer is not known at compile-time, so such operations are not supported
|
|
|
|
error: aborting due to 4 previous errors
|
|
|
|
For more information about this error, try `rustc --explain E0080`.
|