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FLANG
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#include <flang/Optimizer/OpenACC/Support/FIROpenACCOpsInterfaces.h>
External model for OutlineIdentityOperandOpInterface. Drops the dummy_scope operand (an identity token that must not be duplicated) from a [hl]fir.declare instance that has been sunk or rematerialized into an offload region. Alias analysis falls back to a dominance-based lookup of the enclosing dummy scope when this operand is absent, so correctness is preserved without needing to keep or clone the original operand.