rust/tests/mir-opt/copy-prop/issue_107511.rs
2023-04-06 10:08:07 +01:00

15 lines
386 B
Rust

// ignore-wasm32 compiled with panic=abort by default
// 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];
}
}