∀ {pu : Lean.Compiler.LCNF.Purity} {fvarId : Lean.FVarId} {cidx : ℕ} {k : Lean.Compiler.LCNF.Code pu}
  {h : autoParam (pu = Lean.Compiler.LCNF.Purity.impure) Lean.Compiler.LCNF.Alt._auto_13} {fvarId_1 : Lean.FVarId}
  {cidx_1 : ℕ} {k_1 : Lean.Compiler.LCNF.Code pu}
  {h_1 : autoParam (pu = Lean.Compiler.LCNF.Purity.impure) Lean.Compiler.LCNF.Alt._auto_13},
  Lean.Compiler.LCNF.Code.setTag fvarId cidx k h = Lean.Compiler.LCNF.Code.setTag fvarId_1 cidx_1 k_1 h_1 →
    fvarId = fvarId_1 ∧ cidx = cidx_1 ∧ k = k_1