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#[projections(primitive)]
Record r := R { f : unit }.
Definition rv := {| f := tt |}.
Module Reduction.
Ltac syn_eq := lazymatch goal with |- tt = tt => reflexivity end.
Goal rv.(f) = tt.
Proof.
Succeed lazy; syn_eq.
Fail with_strategy opaque [f] lazy; syn_eq.
Succeed cbn; syn_eq.
Fail with_strategy opaque [f] cbn; syn_eq.
Succeed simpl; syn_eq.
Fail with_strategy opaque [f] simpl; syn_eq.
Succeed cbv; syn_eq.
Fail with_strategy opaque [f] cbv; syn_eq.
Abort.
End Reduction.
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