rust/tests/mir-opt/dest-prop/cycle.rs
2023-01-11 09:32:08 +00:00

16 lines
307 B
Rust

//! Tests that cyclic assignments don't hang DestinationPropagation, and result in reasonable code.
// unit-test: DestinationPropagation
fn val() -> i32 {
1
}
// EMIT_MIR cycle.main.DestinationPropagation.diff
fn main() {
let mut x = val();
let y = x;
let z = y;
x = z;
drop(x);
}