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#![allow(const_err)] // make sure we cannot allow away the errors tested here
// stderr-per-bitwidth
//! Test the "array of int" fast path in validity checking, and in particular whether it
//! points at the right array element.
use std::mem;
#[repr(C)]
union MaybeUninit<T: Copy> {
uninit: (),
init: T,
}
const UNINIT_INT_0: [u32; 3] = unsafe {
[
MaybeUninit { uninit: () }.init,
//~^ ERROR evaluation of constant value failed
//~| uninitialized
1,
2,
]
};
const UNINIT_INT_1: [u32; 3] = unsafe {
mem::transmute(
[
0u8,
0u8,
0u8,
0u8,
1u8,
MaybeUninit { uninit: () }.init,
//~^ ERROR evaluation of constant value failed
//~| uninitialized
1u8,
1u8,
2u8,
2u8,
MaybeUninit { uninit: () }.init,
2u8,
]
)
};
const UNINIT_INT_2: [u32; 3] = unsafe {
mem::transmute(
[
0u8,
0u8,
0u8,
0u8,
1u8,
1u8,
1u8,
1u8,
2u8,
2u8,
2u8,
MaybeUninit { uninit: () }.init,
//~^ ERROR evaluation of constant value failed
//~| uninitialized
]
)
};
fn main() {}
|
