const MISALIGNED_LOAD: () = unsafe { let mem = [0u32; 8]; let ptr = mem.as_ptr().byte_add(1); let _val = *ptr; //~ERROR: evaluation of constant value failed //~^NOTE: based on pointer with alignment 1, but alignment 4 is required }; const MISALIGNED_STORE: () = unsafe { let mut mem = [0u32; 8]; let ptr = mem.as_mut_ptr().byte_add(1); *ptr = 0; //~ERROR: evaluation of constant value failed //~^NOTE: based on pointer with alignment 1, but alignment 4 is required }; const MISALIGNED_COPY: () = unsafe { let x = &[0_u8; 4]; let y = x.as_ptr().cast::(); let mut z = 123; y.copy_to_nonoverlapping(&mut z, 1); //~^NOTE // The actual error points into the implementation of `copy_to_nonoverlapping`. }; const MISALIGNED_FIELD: () = unsafe { #[repr(align(16))] struct Aligned(f32); let mem = [0f32; 8]; let ptr = mem.as_ptr().cast::(); // Accessing an f32 field but we still require the alignment of the pointer type. let _val = (*ptr).0; //~ERROR: evaluation of constant value failed //~^NOTE: based on pointer with alignment 4, but alignment 16 is required }; const OOB: () = unsafe { let mem = [0u32; 1]; let ptr = mem.as_ptr().cast::(); let _val = *ptr; //~ERROR: evaluation of constant value failed //~^NOTE: expected a pointer to 8 bytes of memory }; fn main() {}