rust/tests/mir-opt/copy-prop/cycle.rs

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// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
2023-01-15 09:30:09 -06:00
//! Tests that cyclic assignments don't hang CopyProp, and result in reasonable code.
// unit-test: CopyProp
fn val() -> i32 {
1
}
// EMIT_MIR cycle.main.CopyProp.diff
fn main() {
let mut x = val();
let y = x;
let z = y;
x = z;
drop(x);
}