rust/src/test/mir-opt/deaggregator_test_multiple.rs

// Test that deaggregate fires more than once per block

enum Foo {
    A(i32),
    B,
}

// EMIT_MIR rustc.test.Deaggregator.diff
fn test(x: i32) -> [Foo; 2] {
    [Foo::A(x), Foo::A(x)]
}

fn main() {
    // Make sure the function actually gets instantiated.
    test(0);
}