rust/tests/compile-fail/transmute_fat.rs

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2017-07-12 02:29:18 -05:00
#![feature(i128_type)]
fn main() {
#[cfg(target_pointer_width="64")]
let bad = unsafe {
std::mem::transmute::<&[u8], u128>(&[1u8])
};
#[cfg(target_pointer_width="32")]
let bad = unsafe {
std::mem::transmute::<&[u8], u64>(&[1u8])
};
bad + 1; //~ ERROR a raw memory access tried to access part of a pointer value as raw bytes
}