rust/src/test/ui/optimization-fuel-1.rs
Jonas Schievink 62116c31cd Emit a warning when optimization fuel runs out
`eprintln!` gets swallowed by Cargo too easily.
2020-05-10 15:40:17 +02:00

17 lines
279 B
Rust

// run-pass
#![crate_name="foo"]
use std::mem::size_of;
// compile-flags: -Z fuel=foo=1
struct S1(u8, u16, u8);
struct S2(u8, u16, u8);
fn main() {
let optimized = (size_of::<S1>() == 4) as usize
+(size_of::<S2>() == 4) as usize;
assert_eq!(optimized, 1);
}