rust/tests/compile-fail/unaligned_pointers/unaligned_ptr3.rs
2020-04-11 11:36:55 +02:00

12 lines
515 B
Rust

// This should fail even without validation.
// compile-flags: -Zmiri-disable-validation
fn main() {
let x = [2u16, 3, 4, 5]; // Make it big enough so we don't get an out-of-bounds error.
let x = &x[0] as *const _ as *const *const u8; // cast to ptr-to-ptr, so that we load a ptr
// This must fail because alignment is violated. Test specifically for loading pointers,
// which have special code in miri's memory.
let _x = unsafe { *x };
//~^ ERROR memory with alignment 2, but alignment
}