rust/tests/ui/optimization-fuel-1.rs

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// run-pass
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#![crate_name="foo"]
use std::mem::size_of;
// compile-flags: -Z fuel=foo=1
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#[allow(unused_tuple_struct_fields)]
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struct S1(u8, u16, u8);
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#[allow(unused_tuple_struct_fields)]
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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);
}