gcc/gcc/testsuite/rust/execute/torture/transmute1.rs

24 lines
383 B
Rust

// { dg-additional-options "-w" }
extern "rust-intrinsic" {
fn transmute<T, U>(value: T) -> U;
}
struct WrapI {
inner: i32,
}
struct WrapF {
inner: f32,
}
fn main() -> i32 {
let f = 15.4f32;
let f_wrap = WrapF { inner: f };
let fst = unsafe { transmute::<f32, i32>(f) };
let snd = unsafe { transmute::<WrapF, WrapI>(f_wrap) };
fst - snd.inner
}