rust/src/test/run-pass/close-over-big-then-small-data.rs

19 lines
388 B
Rust

// If we use GEPi rathern than GEP_tup_like when
// storing closure data (as we used to do), the u64 would
// overwrite the u16.
type pair<A,B> = {
a: A, b: B
};
fn f<A:Copy Owned>(a: A, b: u16) -> fn@() -> (A, u16) {
fn@() -> (A, u16) { (a, b) }
}
fn main() {
let (a, b) = f(22_u64, 44u16)();
debug!("a=%? b=%?", a, b);
assert a == 22u64;
assert b == 44u16;
}