tests/mir-opt/const_prop/mutable_variable_aggregate_mut_ref.rs


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// unit-test
// compile-flags: -O

// EMIT_MIR mutable_variable_aggregate_mut_ref.main.ConstProp.diff
fn main() {
    let mut x = (42, 43);
    let z = &mut x;
    z.1 = 99;
    let y = x;
}