rust/tests/mir-opt/copy-prop/issue_107511.rs
2023-01-31 18:07:57 +00:00

14 lines
332 B
Rust

// unit-test: CopyProp
// EMIT_MIR issue_107511.main.CopyProp.diff
fn main() {
let mut sum = 0;
let a = [0, 10, 20, 30];
// `i` is assigned in a loop. Only removing its `StorageDead` would mean that
// execution sees repeated `StorageLive`. This would be UB.
for i in 0..a.len() {
sum += a[i];
}
}