rust/tests/mir-opt/dataflow-const-prop/repr_transparent.rs

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// unit-test: DataflowConstProp
// The struct has scalar ABI, but is not a scalar type.
// Make sure that we handle this correctly.
#[repr(transparent)]
struct I32(i32);
// EMIT_MIR repr_transparent.main.DataflowConstProp.diff
fn main() {
let x = I32(0);
let y = I32(x.0 + x.0);
}