message: Fixup warning
diff: @@ -1379,7 +1379,7 @@ impl<F: FftField> Expr<ConstantExpr<F>> {
  Cell(v) => v.evaluate(evals),
  Cache(_, e) => e.evaluate_(d, pt, evals, c),
  EnabledIf(feature, e) if feature.is_enabled() => e.evaluate_(d, pt, evals, c),
  - EnabledIf(feature, e) => Ok(F::zero()),
  + EnabledIf(_, _) => Ok(F::zero()),
  }
  }
  