rust/tests/ui/abi/cabi-int-widening.rs
2023-01-11 09:32:08 +00:00

15 lines
266 B
Rust

// run-pass
// ignore-wasm32-bare no libc to test ffi with
#[link(name = "rust_test_helpers", kind = "static")]
extern "C" {
fn rust_int8_to_int32(_: i8) -> i32;
}
fn main() {
let x = unsafe {
rust_int8_to_int32(-1)
};
assert!(x == -1);
}