rust/tests/fail/unaligned_pointers/unaligned_ptr2.rs
2022-07-11 11:48:56 +00:00

13 lines
605 B
Rust

// This should fail even without validation or Stacked Borrows.
//@compile-flags: -Zmiri-disable-validation -Zmiri-disable-stacked-borrows
fn main() {
// No retry needed, this fails reliably.
let x = [2u32, 3]; // Make it big enough so we don't get an out-of-bounds error.
let x = (x.as_ptr() as *const u8).wrapping_offset(3) as *const u32;
// This must fail because alignment is violated: the offset is not sufficiently aligned.
// Also make the offset not a power of 2, that used to ICE.
let _x = unsafe { *x }; //~ERROR: memory with alignment 1, but alignment 4 is required
}