rust/tests/mir-opt/remove_storage_markers.rs

// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
//@ test-mir-pass: RemoveStorageMarkers

// Checks that storage markers are removed at opt-level=0.
//
//@ compile-flags: -C opt-level=0 -Coverflow-checks=off

// EMIT_MIR remove_storage_markers.main.RemoveStorageMarkers.diff
fn main() {
    // CHECK-LABEL: fn main(

    // CHECK-NOT: StorageDead
    // CHECK-NOT: StorageLive
    let mut sum = 0;
    for i in 0..10 {
        sum += i;
    }
}