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::::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`.