text: // Lean compiler output
  // Module: Lean.Meta.Tactic.Cleanup
  // Imports: Init Lean.Meta.CollectFVars Lean.Meta.Tactic.Clear
  #include <lean/lean.h>
  #if defined(__clang__)
  #pragma clang diagnostic ignored "-Wunused-parameter"
  #pragma clang diagnostic ignored "-Wunused-label"
  #elif defined(__GNUC__) && !defined(__CLANG__)
  #pragma GCC diagnostic ignored "-Wunused-parameter"
  #pragma GCC diagnostic ignored "-Wunused-label"
  #pragma GCC diagnostic ignored "-Wunused-but-set-variable"
  #endif
  #ifdef __cplusplus
  extern "C" {
  #endif
  LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  size_t lean_usize_add(size_t, size_t);
  lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
  LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__5(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* lean_mk_empty_array_with_capacity(lean_object*);
  lean_object* lean_name_mk_string(lean_object*, lean_object*);
  uint8_t lean_usize_dec_eq(size_t, size_t);
  lean_object* lean_array_uget(lean_object*, size_t);
  LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_cleanup___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Lean_Meta_cleanup_addUsedFVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Std_RBNode_findCore___at_Lean_Meta_ToHide_isMarked___spec__1(lean_object*, lean_object*);
  lean_object* lean_local_ctx_erase(lean_object*, lean_object*);
  static lean_object* l_Lean_Meta_cleanup___closed__2;
  LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_cleanup_collectPropsStep___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_getMVarTag(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* lean_st_ref_get(lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Lean_Meta_cleanup_addDeps(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_cleanup___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___closed__3;
  lean_object* lean_array_push(lean_object*, lean_object*);
  lean_object* l_Lean_Meta_collectUsedFVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* lean_array_get_size(lean_object*);
  lean_object* l_Std_mkHashSetImp___rarg(lean_object*);
  LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_Meta_cleanup_collectPropsStep___spec__2___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  static lean_object* l_Lean_Meta_cleanup___closed__1;
  uint8_t lean_usize_dec_lt(size_t, size_t);
  static lean_object* l_Lean_Meta_cleanup___lambda__1___closed__2;
  LEAN_EXPORT lean_object* l_Lean_Meta_cleanup_collectUsed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Lean_Meta_cleanup(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Std_RBNode_forIn_visit___at_Lean_Meta_cleanup_addUsedFVars___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Std_RBNode_forIn_visit___at_Lean_Meta_cleanup_addUsedFVars___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_getMVarType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___lambda__1___boxed(lean_object*);
  static lean_object* l_Lean_Meta_cleanup___lambda__1___closed__1;
  LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_cleanup___spec__6(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*);
  lean_object* lean_st_ref_take(lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_cleanup___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Lean_Meta_cleanup_addUsedFVars___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  static lean_object* l_Lean_Meta_cleanup_addUsedFVars___closed__1;
  LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_cleanup___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Lean_Meta_cleanup_addDeps___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Expr_fvarId_x21(lean_object*);
  LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_cleanup_collectPropsStep___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* lean_st_mk_ref(lean_object*, lean_object*);
  lean_object* l_Std_RBNode_insert___at_Lean_Meta_ToHide_moveToHiddeProp___spec__1(lean_object*, lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  static lean_object* l_Lean_Meta_cleanup_addUsedFVars___closed__2;
  lean_object* l_Lean_Meta_getLocalInstances(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_Meta_cleanup___spec__2___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___closed__1;
  LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  size_t lean_usize_of_nat(lean_object*);
  lean_object* l_Lean_Meta_withMVarContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_LocalDecl_fvarId(lean_object*);
  LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_Meta_cleanup___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Std_RBTree_contains___rarg___boxed(lean_object*, lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_mkFreshExprMVarAt(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_LocalDecl_type(lean_object*);
  lean_object* l_Lean_LocalDecl_value_x3f(lean_object*);
  LEAN_EXPORT uint8_t l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___lambda__1(lean_object*);
  LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_cleanup___spec__6___at_Lean_Meta_cleanup___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_assignExprMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_dependsOnPred(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_Meta_cleanup_collectPropsStep___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_checkNotAssigned(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_getLocalDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Lean_Meta_cleanup_collectPropsStep(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  uint8_t lean_nat_dec_le(lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___closed__2;
  LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_cleanup___spec__6___at_Lean_Meta_cleanup___spec__7(lean_object*, lean_object*, size_t, size_t, lean_object*);
  lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_Meta_cleanup___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_Meta_cleanup_collectPropsStep___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_Meta_cleanup___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Name_quickCmp___boxed(lean_object*, lean_object*);
  lean_object* l_Lean_Meta_instantiateMVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Lean_Meta_cleanup_addUsedFVar___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Lean_Meta_cleanup_collectProps(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_isProp(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Lean_Meta_cleanup___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Lean_Meta_cleanup_addUsedFVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_cleanup___spec__1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_cleanup_collectPropsStep___spec__1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  LEAN_EXPORT lean_object* l_Std_RBNode_forIn_visit___at_Lean_Meta_cleanup_addUsedFVars___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
  _start:
  {
  if (lean_obj_tag(x_1) == 0)
  {
  lean_object* x_9; lean_object* x_10; 
  lean_dec(x_5);
  lean_dec(x_4);
  x_9 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_9, 0, x_2);
  x_10 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_10, 0, x_9);
  lean_ctor_set(x_10, 1, x_8);
  return x_10;
  }
  else
  {
  lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
  x_11 = lean_ctor_get(x_1, 0);
  lean_inc(x_11);
  x_12 = lean_ctor_get(x_1, 1);
  lean_inc(x_12);
  x_13 = lean_ctor_get(x_1, 3);
  lean_inc(x_13);
  lean_dec(x_1);
  lean_inc(x_5);
  lean_inc(x_4);
  x_14 = l_Std_RBNode_forIn_visit___at_Lean_Meta_cleanup_addUsedFVars___spec__1(x_11, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
  if (lean_obj_tag(x_14) == 0)
  {
  lean_object* x_15; 
  x_15 = lean_ctor_get(x_14, 0);
  lean_inc(x_15);
  if (lean_obj_tag(x_15) == 0)
  {
  uint8_t x_16; 
  lean_dec(x_13);
  lean_dec(x_12);
  lean_dec(x_5);
  lean_dec(x_4);
  x_16 = !lean_is_exclusive(x_14);
  if (x_16 == 0)
  {
  lean_object* x_17; 
  x_17 = lean_ctor_get(x_14, 0);
  lean_dec(x_17);
  return x_14;
  }
  else
  {
  lean_object* x_18; lean_object* x_19; 
  x_18 = lean_ctor_get(x_14, 1);
  lean_inc(x_18);
  lean_dec(x_14);
  x_19 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_19, 0, x_15);
  lean_ctor_set(x_19, 1, x_18);
  return x_19;
  }
  }
  else
  {
  lean_object* x_20; lean_object* x_21; 
  lean_dec(x_15);
  x_20 = lean_ctor_get(x_14, 1);
  lean_inc(x_20);
  lean_dec(x_14);
  lean_inc(x_5);
  lean_inc(x_4);
  x_21 = l_Lean_Meta_cleanup_addUsedFVar(x_12, x_3, x_4, x_5, x_6, x_7, x_20);
  if (lean_obj_tag(x_21) == 0)
  {
  lean_object* x_22; lean_object* x_23; 
  x_22 = lean_ctor_get(x_21, 1);
  lean_inc(x_22);
  lean_dec(x_21);
  x_23 = lean_box(0);
  x_1 = x_13;
  x_2 = x_23;
  x_8 = x_22;
  goto _start;
  }
  else
  {
  uint8_t x_25; 
  lean_dec(x_13);
  lean_dec(x_5);
  lean_dec(x_4);
  x_25 = !lean_is_exclusive(x_21);
  if (x_25 == 0)
  {
  return x_21;
  }
  else
  {
  lean_object* x_26; lean_object* x_27; lean_object* x_28; 
  x_26 = lean_ctor_get(x_21, 0);
  x_27 = lean_ctor_get(x_21, 1);
  lean_inc(x_27);
  lean_inc(x_26);
  lean_dec(x_21);
  x_28 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_28, 0, x_26);
  lean_ctor_set(x_28, 1, x_27);
  return x_28;
  }
  }
  }
  }
  else
  {
  uint8_t x_29; 
  lean_dec(x_13);
  lean_dec(x_12);
  lean_dec(x_5);
  lean_dec(x_4);
  x_29 = !lean_is_exclusive(x_14);
  if (x_29 == 0)
  {
  return x_14;
  }
  else
  {
  lean_object* x_30; lean_object* x_31; lean_object* x_32; 
  x_30 = lean_ctor_get(x_14, 0);
  x_31 = lean_ctor_get(x_14, 1);
  lean_inc(x_31);
  lean_inc(x_30);
  lean_dec(x_14);
  x_32 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_32, 0, x_30);
  lean_ctor_set(x_32, 1, x_31);
  return x_32;
  }
  }
  }
  }
  }
  static lean_object* _init_l_Lean_Meta_cleanup_addUsedFVars___closed__1() {
  _start:
  {
  lean_object* x_1; lean_object* x_2; 
  x_1 = lean_unsigned_to_nat(8u);
  x_2 = l_Std_mkHashSetImp___rarg(x_1);
  return x_2;
  }
  }
  static lean_object* _init_l_Lean_Meta_cleanup_addUsedFVars___closed__2() {
  _start:
  {
  lean_object* x_1; lean_object* x_2; lean_object* x_3; 
  x_1 = lean_box(0);
  x_2 = l_Lean_Meta_cleanup_addUsedFVars___closed__1;
  x_3 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_3, 0, x_2);
  lean_ctor_set(x_3, 1, x_1);
  return x_3;
  }
  }
  LEAN_EXPORT lean_object* l_Lean_Meta_cleanup_addUsedFVars(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; 
  lean_inc(x_4);
  x_8 = l_Lean_Meta_instantiateMVars(x_1, x_3, x_4, x_5, x_6, x_7);
  x_9 = lean_ctor_get(x_8, 0);
  lean_inc(x_9);
  x_10 = lean_ctor_get(x_8, 1);
  lean_inc(x_10);
  lean_dec(x_8);
  x_11 = lean_st_ref_get(x_6, x_10);
  x_12 = lean_ctor_get(x_11, 1);
  lean_inc(x_12);
  lean_dec(x_11);
  x_13 = l_Lean_Meta_cleanup_addUsedFVars___closed__2;
  x_14 = lean_st_mk_ref(x_13, x_12);
  x_15 = lean_ctor_get(x_14, 0);
  lean_inc(x_15);
  x_16 = lean_ctor_get(x_14, 1);
  lean_inc(x_16);
  lean_dec(x_14);
  lean_inc(x_4);
  x_17 = l_Lean_Meta_collectUsedFVars(x_9, x_15, x_3, x_4, x_5, x_6, x_16);
  x_18 = lean_ctor_get(x_17, 1);
  lean_inc(x_18);
  lean_dec(x_17);
  x_19 = lean_st_ref_get(x_6, x_18);
  x_20 = lean_ctor_get(x_19, 1);
  lean_inc(x_20);
  lean_dec(x_19);
  x_21 = lean_st_ref_get(x_15, x_20);
  lean_dec(x_15);
  x_22 = lean_ctor_get(x_21, 0);
  lean_inc(x_22);
  x_23 = lean_ctor_get(x_21, 1);
  lean_inc(x_23);
  lean_dec(x_21);
  x_24 = lean_ctor_get(x_22, 1);
  lean_inc(x_24);
  lean_dec(x_22);
  x_25 = lean_box(0);
  x_26 = l_Std_RBNode_forIn_visit___at_Lean_Meta_cleanup_addUsedFVars___spec__1(x_24, x_25, x_2, x_3, x_4, x_5, x_6, x_23);
  if (lean_obj_tag(x_26) == 0)
  {
  uint8_t x_27; 
  x_27 = !lean_is_exclusive(x_26);
  if (x_27 == 0)
  {
  lean_object* x_28; 
  x_28 = lean_ctor_get(x_26, 0);
  lean_dec(x_28);
  lean_ctor_set(x_26, 0, x_25);
  return x_26;
  }
  else
  {
  lean_object* x_29; lean_object* x_30; 
  x_29 = lean_ctor_get(x_26, 1);
  lean_inc(x_29);
  lean_dec(x_26);
  x_30 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_30, 0, x_25);
  lean_ctor_set(x_30, 1, x_29);
  return x_30;
  }
  }
  else
  {
  uint8_t x_31; 
  x_31 = !lean_is_exclusive(x_26);
  if (x_31 == 0)
  {
  return x_26;
  }
  else
  {
  lean_object* x_32; lean_object* x_33; lean_object* x_34; 
  x_32 = lean_ctor_get(x_26, 0);
  x_33 = lean_ctor_get(x_26, 1);
  lean_inc(x_33);
  lean_inc(x_32);
  lean_dec(x_26);
  x_34 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_34, 0, x_32);
  lean_ctor_set(x_34, 1, x_33);
  return x_34;
  }
  }
  }
  }
  LEAN_EXPORT lean_object* l_Lean_Meta_cleanup_addUsedFVar(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; lean_object* x_9; lean_object* x_10; uint8_t x_11; 
  x_8 = lean_st_ref_get(x_6, x_7);
  x_9 = lean_ctor_get(x_8, 1);
  lean_inc(x_9);
  lean_dec(x_8);
  x_10 = lean_st_ref_get(x_2, x_9);
  x_11 = !lean_is_exclusive(x_10);
  if (x_11 == 0)
  {
  lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
  x_12 = lean_ctor_get(x_10, 0);
  x_13 = lean_ctor_get(x_10, 1);
  x_14 = lean_ctor_get(x_12, 1);
  lean_inc(x_14);
  lean_dec(x_12);
  x_15 = l_Std_RBNode_findCore___at_Lean_Meta_ToHide_isMarked___spec__1(x_14, x_1);
  lean_dec(x_14);
  if (lean_obj_tag(x_15) == 0)
  {
  lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; uint8_t x_21; 
  lean_free_object(x_10);
  x_16 = lean_st_ref_get(x_6, x_13);
  x_17 = lean_ctor_get(x_16, 1);
  lean_inc(x_17);
  lean_dec(x_16);
  x_18 = lean_st_ref_take(x_2, x_17);
  x_19 = lean_ctor_get(x_18, 0);
  lean_inc(x_19);
  x_20 = lean_ctor_get(x_18, 1);
  lean_inc(x_20);
  lean_dec(x_18);
  x_21 = !lean_is_exclusive(x_19);
  if (x_21 == 0)
  {
  lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; uint8_t x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; 
  x_22 = lean_ctor_get(x_19, 1);
  x_23 = lean_ctor_get(x_19, 0);
  lean_dec(x_23);
  x_24 = lean_box(0);
  lean_inc(x_1);
  x_25 = l_Std_RBNode_insert___at_Lean_Meta_ToHide_moveToHiddeProp___spec__1(x_22, x_1, x_24);
  x_26 = 1;
  x_27 = lean_box(x_26);
  lean_ctor_set(x_19, 1, x_25);
  lean_ctor_set(x_19, 0, x_27);
  x_28 = lean_st_ref_set(x_2, x_19, x_20);
  x_29 = lean_ctor_get(x_28, 1);
  lean_inc(x_29);
  lean_dec(x_28);
  x_30 = l_Lean_Meta_cleanup_addDeps(x_1, x_2, x_3, x_4, x_5, x_6, x_29);
  return x_30;
  }
  else
  {
  lean_object* x_31; lean_object* x_32; lean_object* x_33; uint8_t x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
  x_31 = lean_ctor_get(x_19, 1);
  lean_inc(x_31);
  lean_dec(x_19);
  x_32 = lean_box(0);
  lean_inc(x_1);
  x_33 = l_Std_RBNode_insert___at_Lean_Meta_ToHide_moveToHiddeProp___spec__1(x_31, x_1, x_32);
  x_34 = 1;
  x_35 = lean_box(x_34);
  x_36 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_36, 0, x_35);
  lean_ctor_set(x_36, 1, x_33);
  x_37 = lean_st_ref_set(x_2, x_36, x_20);
  x_38 = lean_ctor_get(x_37, 1);
  lean_inc(x_38);
  lean_dec(x_37);
  x_39 = l_Lean_Meta_cleanup_addDeps(x_1, x_2, x_3, x_4, x_5, x_6, x_38);
  return x_39;
  }
  }
  else
  {
  lean_object* x_40; 
  lean_dec(x_15);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_1);
  x_40 = lean_box(0);
  lean_ctor_set(x_10, 0, x_40);
  return x_10;
  }
  }
  else
  {
  lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
  x_41 = lean_ctor_get(x_10, 0);
  x_42 = lean_ctor_get(x_10, 1);
  lean_inc(x_42);
  lean_inc(x_41);
  lean_dec(x_10);
  x_43 = lean_ctor_get(x_41, 1);
  lean_inc(x_43);
  lean_dec(x_41);
  x_44 = l_Std_RBNode_findCore___at_Lean_Meta_ToHide_isMarked___spec__1(x_43, x_1);
  lean_dec(x_43);
  if (lean_obj_tag(x_44) == 0)
  {
  lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; uint8_t x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; 
  x_45 = lean_st_ref_get(x_6, x_42);
  x_46 = lean_ctor_get(x_45, 1);
  lean_inc(x_46);
  lean_dec(x_45);
  x_47 = lean_st_ref_take(x_2, x_46);
  x_48 = lean_ctor_get(x_47, 0);
  lean_inc(x_48);
  x_49 = lean_ctor_get(x_47, 1);
  lean_inc(x_49);
  lean_dec(x_47);
  x_50 = lean_ctor_get(x_48, 1);
  lean_inc(x_50);
  if (lean_is_exclusive(x_48)) {
   lean_ctor_release(x_48, 0);
   lean_ctor_release(x_48, 1);
   x_51 = x_48;
  } else {
   lean_dec_ref(x_48);
   x_51 = lean_box(0);
  }
  x_52 = lean_box(0);
  lean_inc(x_1);
  x_53 = l_Std_RBNode_insert___at_Lean_Meta_ToHide_moveToHiddeProp___spec__1(x_50, x_1, x_52);
  x_54 = 1;
  x_55 = lean_box(x_54);
  if (lean_is_scalar(x_51)) {
   x_56 = lean_alloc_ctor(0, 2, 0);
  } else {
   x_56 = x_51;
  }
  lean_ctor_set(x_56, 0, x_55);
  lean_ctor_set(x_56, 1, x_53);
  x_57 = lean_st_ref_set(x_2, x_56, x_49);
  x_58 = lean_ctor_get(x_57, 1);
  lean_inc(x_58);
  lean_dec(x_57);
  x_59 = l_Lean_Meta_cleanup_addDeps(x_1, x_2, x_3, x_4, x_5, x_6, x_58);
  return x_59;
  }
  else
  {
  lean_object* x_60; lean_object* x_61; 
  lean_dec(x_44);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_1);
  x_60 = lean_box(0);
  x_61 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_61, 0, x_60);
  lean_ctor_set(x_61, 1, x_42);
  return x_61;
  }
  }
  }
  }
  LEAN_EXPORT lean_object* l_Lean_Meta_cleanup_addDeps(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; 
  lean_inc(x_3);
  x_8 = l_Lean_Meta_getLocalDecl(x_1, x_3, x_4, x_5, x_6, x_7);
  if (lean_obj_tag(x_8) == 0)
  {
  lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; 
  x_9 = lean_ctor_get(x_8, 0);
  lean_inc(x_9);
  x_10 = lean_ctor_get(x_8, 1);
  lean_inc(x_10);
  lean_dec(x_8);
  x_11 = l_Lean_LocalDecl_type(x_9);
  lean_inc(x_4);
  lean_inc(x_3);
  x_12 = l_Lean_Meta_cleanup_addUsedFVars(x_11, x_2, x_3, x_4, x_5, x_6, x_10);
  if (lean_obj_tag(x_12) == 0)
  {
  uint8_t x_13; 
  x_13 = !lean_is_exclusive(x_12);
  if (x_13 == 0)
  {
  lean_object* x_14; lean_object* x_15; lean_object* x_16; 
  x_14 = lean_ctor_get(x_12, 1);
  x_15 = lean_ctor_get(x_12, 0);
  lean_dec(x_15);
  x_16 = l_Lean_LocalDecl_value_x3f(x_9);
  lean_dec(x_9);
  if (lean_obj_tag(x_16) == 0)
  {
  lean_object* x_17; 
  lean_dec(x_4);
  lean_dec(x_3);
  x_17 = lean_box(0);
  lean_ctor_set(x_12, 0, x_17);
  return x_12;
  }
  else
  {
  lean_object* x_18; lean_object* x_19; 
  lean_free_object(x_12);
  x_18 = lean_ctor_get(x_16, 0);
  lean_inc(x_18);
  lean_dec(x_16);
  x_19 = l_Lean_Meta_cleanup_addUsedFVars(x_18, x_2, x_3, x_4, x_5, x_6, x_14);
  return x_19;
  }
  }
  else
  {
  lean_object* x_20; lean_object* x_21; 
  x_20 = lean_ctor_get(x_12, 1);
  lean_inc(x_20);
  lean_dec(x_12);
  x_21 = l_Lean_LocalDecl_value_x3f(x_9);
  lean_dec(x_9);
  if (lean_obj_tag(x_21) == 0)
  {
  lean_object* x_22; lean_object* x_23; 
  lean_dec(x_4);
  lean_dec(x_3);
  x_22 = lean_box(0);
  x_23 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_23, 0, x_22);
  lean_ctor_set(x_23, 1, x_20);
  return x_23;
  }
  else
  {
  lean_object* x_24; lean_object* x_25; 
  x_24 = lean_ctor_get(x_21, 0);
  lean_inc(x_24);
  lean_dec(x_21);
  x_25 = l_Lean_Meta_cleanup_addUsedFVars(x_24, x_2, x_3, x_4, x_5, x_6, x_20);
  return x_25;
  }
  }
  }
  else
  {
  uint8_t x_26; 
  lean_dec(x_9);
  lean_dec(x_4);
  lean_dec(x_3);
  x_26 = !lean_is_exclusive(x_12);
  if (x_26 == 0)
  {
  return x_12;
  }
  else
  {
  lean_object* x_27; lean_object* x_28; lean_object* x_29; 
  x_27 = lean_ctor_get(x_12, 0);
  x_28 = lean_ctor_get(x_12, 1);
  lean_inc(x_28);
  lean_inc(x_27);
  lean_dec(x_12);
  x_29 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_29, 0, x_27);
  lean_ctor_set(x_29, 1, x_28);
  return x_29;
  }
  }
  }
  else
  {
  uint8_t x_30; 
  lean_dec(x_4);
  lean_dec(x_3);
  x_30 = !lean_is_exclusive(x_8);
  if (x_30 == 0)
  {
  return x_8;
  }
  else
  {
  lean_object* x_31; lean_object* x_32; lean_object* x_33; 
  x_31 = lean_ctor_get(x_8, 0);
  x_32 = lean_ctor_get(x_8, 1);
  lean_inc(x_32);
  lean_inc(x_31);
  lean_dec(x_8);
  x_33 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_33, 0, x_31);
  lean_ctor_set(x_33, 1, x_32);
  return x_33;
  }
  }
  }
  }
  LEAN_EXPORT lean_object* l_Std_RBNode_forIn_visit___at_Lean_Meta_cleanup_addUsedFVars___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
  _start:
  {
  lean_object* x_9; 
  x_9 = l_Std_RBNode_forIn_visit___at_Lean_Meta_cleanup_addUsedFVars___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_3);
  return x_9;
  }
  }
  LEAN_EXPORT lean_object* l_Lean_Meta_cleanup_addUsedFVars___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; 
  x_8 = l_Lean_Meta_cleanup_addUsedFVars(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_2);
  return x_8;
  }
  }
  LEAN_EXPORT lean_object* l_Lean_Meta_cleanup_addUsedFVar___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; 
  x_8 = l_Lean_Meta_cleanup_addUsedFVar(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_2);
  return x_8;
  }
  }
  LEAN_EXPORT lean_object* l_Lean_Meta_cleanup_addDeps___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; 
  x_8 = l_Lean_Meta_cleanup_addDeps(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_2);
  return x_8;
  }
  }
  LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
  _start:
  {
  uint8_t x_14; 
  x_14 = lean_usize_dec_lt(x_6, x_5);
  if (x_14 == 0)
  {
  lean_object* x_15; 
  lean_dec(x_12);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_15 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_15, 0, x_7);
  lean_ctor_set(x_15, 1, x_13);
  return x_15;
  }
  else
  {
  lean_object* x_16; uint8_t x_17; 
  x_16 = lean_array_uget(x_4, x_6);
  x_17 = !lean_is_exclusive(x_7);
  if (x_17 == 0)
  {
  lean_object* x_18; lean_object* x_19; lean_object* x_20; 
  x_18 = lean_ctor_get(x_7, 1);
  x_19 = lean_ctor_get(x_7, 0);
  lean_dec(x_19);
  lean_inc(x_12);
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_18);
  lean_inc(x_2);
  lean_inc(x_1);
  x_20 = l_Std_PersistentArray_forInAux___at_Lean_Meta_cleanup_collectPropsStep___spec__2(x_1, x_2, x_16, x_18, x_8, x_9, x_10, x_11, x_12, x_13);
  if (lean_obj_tag(x_20) == 0)
  {
  lean_object* x_21; 
  x_21 = lean_ctor_get(x_20, 0);
  lean_inc(x_21);
  if (lean_obj_tag(x_21) == 0)
  {
  uint8_t x_22; 
  lean_dec(x_12);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_22 = !lean_is_exclusive(x_20);
  if (x_22 == 0)
  {
  lean_object* x_23; lean_object* x_24; 
  x_23 = lean_ctor_get(x_20, 0);
  lean_dec(x_23);
  x_24 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_24, 0, x_21);
  lean_ctor_set(x_7, 0, x_24);
  lean_ctor_set(x_20, 0, x_7);
  return x_20;
  }
  else
  {
  lean_object* x_25; lean_object* x_26; lean_object* x_27; 
  x_25 = lean_ctor_get(x_20, 1);
  lean_inc(x_25);
  lean_dec(x_20);
  x_26 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_26, 0, x_21);
  lean_ctor_set(x_7, 0, x_26);
  x_27 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_27, 0, x_7);
  lean_ctor_set(x_27, 1, x_25);
  return x_27;
  }
  }
  else
  {
  lean_object* x_28; lean_object* x_29; size_t x_30; size_t x_31; 
  lean_dec(x_18);
  x_28 = lean_ctor_get(x_20, 1);
  lean_inc(x_28);
  lean_dec(x_20);
  x_29 = lean_ctor_get(x_21, 0);
  lean_inc(x_29);
  lean_dec(x_21);
  lean_inc(x_3);
  lean_ctor_set(x_7, 1, x_29);
  lean_ctor_set(x_7, 0, x_3);
  x_30 = 1;
  x_31 = lean_usize_add(x_6, x_30);
  x_6 = x_31;
  x_13 = x_28;
  goto _start;
  }
  }
  else
  {
  uint8_t x_33; 
  lean_free_object(x_7);
  lean_dec(x_18);
  lean_dec(x_12);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_33 = !lean_is_exclusive(x_20);
  if (x_33 == 0)
  {
  return x_20;
  }
  else
  {
  lean_object* x_34; lean_object* x_35; lean_object* x_36; 
  x_34 = lean_ctor_get(x_20, 0);
  x_35 = lean_ctor_get(x_20, 1);
  lean_inc(x_35);
  lean_inc(x_34);
  lean_dec(x_20);
  x_36 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_36, 0, x_34);
  lean_ctor_set(x_36, 1, x_35);
  return x_36;
  }
  }
  }
  else
  {
  lean_object* x_37; lean_object* x_38; 
  x_37 = lean_ctor_get(x_7, 1);
  lean_inc(x_37);
  lean_dec(x_7);
  lean_inc(x_12);
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_37);
  lean_inc(x_2);
  lean_inc(x_1);
  x_38 = l_Std_PersistentArray_forInAux___at_Lean_Meta_cleanup_collectPropsStep___spec__2(x_1, x_2, x_16, x_37, x_8, x_9, x_10, x_11, x_12, x_13);
  if (lean_obj_tag(x_38) == 0)
  {
  lean_object* x_39; 
  x_39 = lean_ctor_get(x_38, 0);
  lean_inc(x_39);
  if (lean_obj_tag(x_39) == 0)
  {
  lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
  lean_dec(x_12);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_40 = lean_ctor_get(x_38, 1);
  lean_inc(x_40);
  if (lean_is_exclusive(x_38)) {
   lean_ctor_release(x_38, 0);
   lean_ctor_release(x_38, 1);
   x_41 = x_38;
  } else {
   lean_dec_ref(x_38);
   x_41 = lean_box(0);
  }
  x_42 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_42, 0, x_39);
  x_43 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_43, 0, x_42);
  lean_ctor_set(x_43, 1, x_37);
  if (lean_is_scalar(x_41)) {
   x_44 = lean_alloc_ctor(0, 2, 0);
  } else {
   x_44 = x_41;
  }
  lean_ctor_set(x_44, 0, x_43);
  lean_ctor_set(x_44, 1, x_40);
  return x_44;
  }
  else
  {
  lean_object* x_45; lean_object* x_46; lean_object* x_47; size_t x_48; size_t x_49; 
  lean_dec(x_37);
  x_45 = lean_ctor_get(x_38, 1);
  lean_inc(x_45);
  lean_dec(x_38);
  x_46 = lean_ctor_get(x_39, 0);
  lean_inc(x_46);
  lean_dec(x_39);
  lean_inc(x_3);
  x_47 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_47, 0, x_3);
  lean_ctor_set(x_47, 1, x_46);
  x_48 = 1;
  x_49 = lean_usize_add(x_6, x_48);
  x_6 = x_49;
  x_7 = x_47;
  x_13 = x_45;
  goto _start;
  }
  }
  else
  {
  lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; 
  lean_dec(x_37);
  lean_dec(x_12);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_51 = lean_ctor_get(x_38, 0);
  lean_inc(x_51);
  x_52 = lean_ctor_get(x_38, 1);
  lean_inc(x_52);
  if (lean_is_exclusive(x_38)) {
   lean_ctor_release(x_38, 0);
   lean_ctor_release(x_38, 1);
   x_53 = x_38;
  } else {
   lean_dec_ref(x_38);
   x_53 = lean_box(0);
  }
  if (lean_is_scalar(x_53)) {
   x_54 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_54 = x_53;
  }
  lean_ctor_set(x_54, 0, x_51);
  lean_ctor_set(x_54, 1, x_52);
  return x_54;
  }
  }
  }
  }
  }
  LEAN_EXPORT uint8_t l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___lambda__1(lean_object* x_1) {
  _start:
  {
  uint8_t x_2; 
  x_2 = 0;
  return x_2;
  }
  }
  static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___closed__1() {
  _start:
  {
  lean_object* x_1; lean_object* x_2; 
  x_1 = lean_box(0);
  x_2 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_2, 0, x_1);
  return x_2;
  }
  }
  static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___closed__2() {
  _start:
  {
  lean_object* x_1; 
  x_1 = lean_alloc_closure((void*)(l_Lean_Name_quickCmp___boxed), 2, 0);
  return x_1;
  }
  }
  static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___closed__3() {
  _start:
  {
  lean_object* x_1; 
  x_1 = lean_alloc_closure((void*)(l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___lambda__1___boxed), 1, 0);
  return x_1;
  }
  }
  LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, size_t x_4, size_t x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
  _start:
  {
  uint8_t x_13; 
  x_13 = lean_usize_dec_lt(x_5, x_4);
  if (x_13 == 0)
  {
  lean_object* x_14; 
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_2);
  lean_dec(x_1);
  x_14 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_14, 0, x_6);
  lean_ctor_set(x_14, 1, x_12);
  return x_14;
  }
  else
  {
  lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
  x_15 = lean_array_uget(x_3, x_5);
  x_16 = lean_ctor_get(x_6, 1);
  lean_inc(x_16);
  if (lean_is_exclusive(x_6)) {
   lean_ctor_release(x_6, 0);
   lean_ctor_release(x_6, 1);
   x_17 = x_6;
  } else {
   lean_dec_ref(x_6);
   x_17 = lean_box(0);
  }
  if (lean_obj_tag(x_15) == 0)
  {
  lean_object* x_26; 
  x_26 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_26, 0, x_16);
  x_18 = x_26;
  x_19 = x_12;
  goto block_25;
  }
  else
  {
  lean_object* x_27; lean_object* x_28; lean_object* x_29; 
  lean_dec(x_16);
  x_27 = lean_ctor_get(x_15, 0);
  lean_inc(x_27);
  lean_dec(x_15);
  x_28 = l_Lean_LocalDecl_type(x_27);
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_28);
  x_29 = l_Lean_Meta_isProp(x_28, x_8, x_9, x_10, x_11, x_12);
  if (lean_obj_tag(x_29) == 0)
  {
  lean_object* x_30; uint8_t x_31; 
  x_30 = lean_ctor_get(x_29, 0);
  lean_inc(x_30);
  x_31 = lean_unbox(x_30);
  lean_dec(x_30);
  if (x_31 == 0)
  {
  lean_object* x_32; lean_object* x_33; 
  lean_dec(x_28);
  lean_dec(x_27);
  x_32 = lean_ctor_get(x_29, 1);
  lean_inc(x_32);
  lean_dec(x_29);
  x_33 = l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___closed__1;
  x_18 = x_33;
  x_19 = x_32;
  goto block_25;
  }
  else
  {
  lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; uint8_t x_40; 
  x_34 = lean_ctor_get(x_29, 1);
  lean_inc(x_34);
  lean_dec(x_29);
  x_35 = l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___closed__2;
  lean_inc(x_1);
  x_36 = lean_alloc_closure((void*)(l_Std_RBTree_contains___rarg___boxed), 3, 2);
  lean_closure_set(x_36, 0, x_35);
  lean_closure_set(x_36, 1, x_1);
  x_37 = l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___closed__3;
  x_38 = l_Lean_Meta_dependsOnPred(x_28, x_36, x_37, x_8, x_9, x_10, x_11, x_34);
  x_39 = lean_ctor_get(x_38, 0);
  lean_inc(x_39);
  x_40 = lean_unbox(x_39);
  lean_dec(x_39);
  if (x_40 == 0)
  {
  lean_object* x_41; lean_object* x_42; 
  lean_dec(x_27);
  x_41 = lean_ctor_get(x_38, 1);
  lean_inc(x_41);
  lean_dec(x_38);
  x_42 = l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___closed__1;
  x_18 = x_42;
  x_19 = x_41;
  goto block_25;
  }
  else
  {
  lean_object* x_43; lean_object* x_44; lean_object* x_45; 
  x_43 = lean_ctor_get(x_38, 1);
  lean_inc(x_43);
  lean_dec(x_38);
  x_44 = l_Lean_LocalDecl_fvarId(x_27);
  lean_dec(x_27);
  lean_inc(x_9);
  lean_inc(x_8);
  x_45 = l_Lean_Meta_cleanup_addUsedFVar(x_44, x_7, x_8, x_9, x_10, x_11, x_43);
  if (lean_obj_tag(x_45) == 0)
  {
  lean_object* x_46; lean_object* x_47; 
  x_46 = lean_ctor_get(x_45, 1);
  lean_inc(x_46);
  lean_dec(x_45);
  x_47 = l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___closed__1;
  x_18 = x_47;
  x_19 = x_46;
  goto block_25;
  }
  else
  {
  uint8_t x_48; 
  lean_dec(x_17);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_2);
  lean_dec(x_1);
  x_48 = !lean_is_exclusive(x_45);
  if (x_48 == 0)
  {
  return x_45;
  }
  else
  {
  lean_object* x_49; lean_object* x_50; lean_object* x_51; 
  x_49 = lean_ctor_get(x_45, 0);
  x_50 = lean_ctor_get(x_45, 1);
  lean_inc(x_50);
  lean_inc(x_49);
  lean_dec(x_45);
  x_51 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_51, 0, x_49);
  lean_ctor_set(x_51, 1, x_50);
  return x_51;
  }
  }
  }
  }
  }
  else
  {
  uint8_t x_52; 
  lean_dec(x_28);
  lean_dec(x_27);
  lean_dec(x_17);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_2);
  lean_dec(x_1);
  x_52 = !lean_is_exclusive(x_29);
  if (x_52 == 0)
  {
  return x_29;
  }
  else
  {
  lean_object* x_53; lean_object* x_54; lean_object* x_55; 
  x_53 = lean_ctor_get(x_29, 0);
  x_54 = lean_ctor_get(x_29, 1);
  lean_inc(x_54);
  lean_inc(x_53);
  lean_dec(x_29);
  x_55 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_55, 0, x_53);
  lean_ctor_set(x_55, 1, x_54);
  return x_55;
  }
  }
  }
  block_25:
  {
  lean_object* x_20; lean_object* x_21; size_t x_22; size_t x_23; 
  x_20 = lean_ctor_get(x_18, 0);
  lean_inc(x_20);
  lean_dec(x_18);
  lean_inc(x_2);
  if (lean_is_scalar(x_17)) {
   x_21 = lean_alloc_ctor(0, 2, 0);
  } else {
   x_21 = x_17;
  }
  lean_ctor_set(x_21, 0, x_2);
  lean_ctor_set(x_21, 1, x_20);
  x_22 = 1;
  x_23 = lean_usize_add(x_5, x_22);
  x_5 = x_23;
  x_6 = x_21;
  x_12 = x_19;
  goto _start;
  }
  }
  }
  }
  LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_Meta_cleanup_collectPropsStep___spec__2___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
  _start:
  {
  lean_object* x_9; lean_object* x_10; 
  x_9 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_9, 0, x_1);
  x_10 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_10, 0, x_9);
  lean_ctor_set(x_10, 1, x_8);
  return x_10;
  }
  }
  LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_Meta_cleanup_collectPropsStep___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
  _start:
  {
  if (lean_obj_tag(x_3) == 0)
  {
  lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; size_t x_15; size_t x_16; lean_object* x_17; 
  x_11 = lean_ctor_get(x_3, 0);
  lean_inc(x_11);
  lean_dec(x_3);
  x_12 = lean_box(0);
  x_13 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_13, 0, x_12);
  lean_ctor_set(x_13, 1, x_4);
  x_14 = lean_array_get_size(x_11);
  x_15 = lean_usize_of_nat(x_14);
  lean_dec(x_14);
  x_16 = 0;
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  x_17 = l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__3(x_1, x_2, x_12, x_11, x_15, x_16, x_13, x_5, x_6, x_7, x_8, x_9, x_10);
  lean_dec(x_11);
  if (lean_obj_tag(x_17) == 0)
  {
  lean_object* x_18; lean_object* x_19; 
  x_18 = lean_ctor_get(x_17, 0);
  lean_inc(x_18);
  x_19 = lean_ctor_get(x_18, 0);
  lean_inc(x_19);
  if (lean_obj_tag(x_19) == 0)
  {
  lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
  x_20 = lean_ctor_get(x_17, 1);
  lean_inc(x_20);
  lean_dec(x_17);
  x_21 = lean_ctor_get(x_18, 1);
  lean_inc(x_21);
  lean_dec(x_18);
  x_22 = lean_box(0);
  x_23 = l_Std_PersistentArray_forInAux___at_Lean_Meta_cleanup_collectPropsStep___spec__2___lambda__1(x_21, x_22, x_5, x_6, x_7, x_8, x_9, x_20);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  return x_23;
  }
  else
  {
  uint8_t x_24; 
  lean_dec(x_18);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  x_24 = !lean_is_exclusive(x_17);
  if (x_24 == 0)
  {
  lean_object* x_25; lean_object* x_26; 
  x_25 = lean_ctor_get(x_17, 0);
  lean_dec(x_25);
  x_26 = lean_ctor_get(x_19, 0);
  lean_inc(x_26);
  lean_dec(x_19);
  lean_ctor_set(x_17, 0, x_26);
  return x_17;
  }
  else
  {
  lean_object* x_27; lean_object* x_28; lean_object* x_29; 
  x_27 = lean_ctor_get(x_17, 1);
  lean_inc(x_27);
  lean_dec(x_17);
  x_28 = lean_ctor_get(x_19, 0);
  lean_inc(x_28);
  lean_dec(x_19);
  x_29 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_29, 0, x_28);
  lean_ctor_set(x_29, 1, x_27);
  return x_29;
  }
  }
  }
  else
  {
  uint8_t x_30; 
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  x_30 = !lean_is_exclusive(x_17);
  if (x_30 == 0)
  {
  return x_17;
  }
  else
  {
  lean_object* x_31; lean_object* x_32; lean_object* x_33; 
  x_31 = lean_ctor_get(x_17, 0);
  x_32 = lean_ctor_get(x_17, 1);
  lean_inc(x_32);
  lean_inc(x_31);
  lean_dec(x_17);
  x_33 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_33, 0, x_31);
  lean_ctor_set(x_33, 1, x_32);
  return x_33;
  }
  }
  }
  else
  {
  lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; size_t x_38; size_t x_39; lean_object* x_40; 
  lean_dec(x_2);
  x_34 = lean_ctor_get(x_3, 0);
  lean_inc(x_34);
  lean_dec(x_3);
  x_35 = lean_box(0);
  x_36 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_36, 0, x_35);
  lean_ctor_set(x_36, 1, x_4);
  x_37 = lean_array_get_size(x_34);
  x_38 = lean_usize_of_nat(x_37);
  lean_dec(x_37);
  x_39 = 0;
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_7);
  lean_inc(x_6);
  x_40 = l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4(x_1, x_35, x_34, x_38, x_39, x_36, x_5, x_6, x_7, x_8, x_9, x_10);
  lean_dec(x_34);
  if (lean_obj_tag(x_40) == 0)
  {
  lean_object* x_41; lean_object* x_42; 
  x_41 = lean_ctor_get(x_40, 0);
  lean_inc(x_41);
  x_42 = lean_ctor_get(x_41, 0);
  lean_inc(x_42);
  if (lean_obj_tag(x_42) == 0)
  {
  lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
  x_43 = lean_ctor_get(x_40, 1);
  lean_inc(x_43);
  lean_dec(x_40);
  x_44 = lean_ctor_get(x_41, 1);
  lean_inc(x_44);
  lean_dec(x_41);
  x_45 = lean_box(0);
  x_46 = l_Std_PersistentArray_forInAux___at_Lean_Meta_cleanup_collectPropsStep___spec__2___lambda__1(x_44, x_45, x_5, x_6, x_7, x_8, x_9, x_43);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  return x_46;
  }
  else
  {
  uint8_t x_47; 
  lean_dec(x_41);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  x_47 = !lean_is_exclusive(x_40);
  if (x_47 == 0)
  {
  lean_object* x_48; lean_object* x_49; 
  x_48 = lean_ctor_get(x_40, 0);
  lean_dec(x_48);
  x_49 = lean_ctor_get(x_42, 0);
  lean_inc(x_49);
  lean_dec(x_42);
  lean_ctor_set(x_40, 0, x_49);
  return x_40;
  }
  else
  {
  lean_object* x_50; lean_object* x_51; lean_object* x_52; 
  x_50 = lean_ctor_get(x_40, 1);
  lean_inc(x_50);
  lean_dec(x_40);
  x_51 = lean_ctor_get(x_42, 0);
  lean_inc(x_51);
  lean_dec(x_42);
  x_52 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_52, 0, x_51);
  lean_ctor_set(x_52, 1, x_50);
  return x_52;
  }
  }
  }
  else
  {
  uint8_t x_53; 
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  x_53 = !lean_is_exclusive(x_40);
  if (x_53 == 0)
  {
  return x_40;
  }
  else
  {
  lean_object* x_54; lean_object* x_55; lean_object* x_56; 
  x_54 = lean_ctor_get(x_40, 0);
  x_55 = lean_ctor_get(x_40, 1);
  lean_inc(x_55);
  lean_inc(x_54);
  lean_dec(x_40);
  x_56 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_56, 0, x_54);
  lean_ctor_set(x_56, 1, x_55);
  return x_56;
  }
  }
  }
  }
  }
  LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, size_t x_4, size_t x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
  _start:
  {
  uint8_t x_13; 
  x_13 = lean_usize_dec_lt(x_5, x_4);
  if (x_13 == 0)
  {
  lean_object* x_14; 
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_2);
  lean_dec(x_1);
  x_14 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_14, 0, x_6);
  lean_ctor_set(x_14, 1, x_12);
  return x_14;
  }
  else
  {
  lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
  x_15 = lean_array_uget(x_3, x_5);
  x_16 = lean_ctor_get(x_6, 1);
  lean_inc(x_16);
  if (lean_is_exclusive(x_6)) {
   lean_ctor_release(x_6, 0);
   lean_ctor_release(x_6, 1);
   x_17 = x_6;
  } else {
   lean_dec_ref(x_6);
   x_17 = lean_box(0);
  }
  if (lean_obj_tag(x_15) == 0)
  {
  lean_object* x_26; 
  x_26 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_26, 0, x_16);
  x_18 = x_26;
  x_19 = x_12;
  goto block_25;
  }
  else
  {
  lean_object* x_27; lean_object* x_28; lean_object* x_29; 
  lean_dec(x_16);
  x_27 = lean_ctor_get(x_15, 0);
  lean_inc(x_27);
  lean_dec(x_15);
  x_28 = l_Lean_LocalDecl_type(x_27);
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_28);
  x_29 = l_Lean_Meta_isProp(x_28, x_8, x_9, x_10, x_11, x_12);
  if (lean_obj_tag(x_29) == 0)
  {
  lean_object* x_30; uint8_t x_31; 
  x_30 = lean_ctor_get(x_29, 0);
  lean_inc(x_30);
  x_31 = lean_unbox(x_30);
  lean_dec(x_30);
  if (x_31 == 0)
  {
  lean_object* x_32; lean_object* x_33; 
  lean_dec(x_28);
  lean_dec(x_27);
  x_32 = lean_ctor_get(x_29, 1);
  lean_inc(x_32);
  lean_dec(x_29);
  x_33 = l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___closed__1;
  x_18 = x_33;
  x_19 = x_32;
  goto block_25;
  }
  else
  {
  lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; uint8_t x_40; 
  x_34 = lean_ctor_get(x_29, 1);
  lean_inc(x_34);
  lean_dec(x_29);
  x_35 = l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___closed__2;
  lean_inc(x_1);
  x_36 = lean_alloc_closure((void*)(l_Std_RBTree_contains___rarg___boxed), 3, 2);
  lean_closure_set(x_36, 0, x_35);
  lean_closure_set(x_36, 1, x_1);
  x_37 = l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___closed__3;
  x_38 = l_Lean_Meta_dependsOnPred(x_28, x_36, x_37, x_8, x_9, x_10, x_11, x_34);
  x_39 = lean_ctor_get(x_38, 0);
  lean_inc(x_39);
  x_40 = lean_unbox(x_39);
  lean_dec(x_39);
  if (x_40 == 0)
  {
  lean_object* x_41; lean_object* x_42; 
  lean_dec(x_27);
  x_41 = lean_ctor_get(x_38, 1);
  lean_inc(x_41);
  lean_dec(x_38);
  x_42 = l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___closed__1;
  x_18 = x_42;
  x_19 = x_41;
  goto block_25;
  }
  else
  {
  lean_object* x_43; lean_object* x_44; lean_object* x_45; 
  x_43 = lean_ctor_get(x_38, 1);
  lean_inc(x_43);
  lean_dec(x_38);
  x_44 = l_Lean_LocalDecl_fvarId(x_27);
  lean_dec(x_27);
  lean_inc(x_9);
  lean_inc(x_8);
  x_45 = l_Lean_Meta_cleanup_addUsedFVar(x_44, x_7, x_8, x_9, x_10, x_11, x_43);
  if (lean_obj_tag(x_45) == 0)
  {
  lean_object* x_46; lean_object* x_47; 
  x_46 = lean_ctor_get(x_45, 1);
  lean_inc(x_46);
  lean_dec(x_45);
  x_47 = l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___closed__1;
  x_18 = x_47;
  x_19 = x_46;
  goto block_25;
  }
  else
  {
  uint8_t x_48; 
  lean_dec(x_17);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_2);
  lean_dec(x_1);
  x_48 = !lean_is_exclusive(x_45);
  if (x_48 == 0)
  {
  return x_45;
  }
  else
  {
  lean_object* x_49; lean_object* x_50; lean_object* x_51; 
  x_49 = lean_ctor_get(x_45, 0);
  x_50 = lean_ctor_get(x_45, 1);
  lean_inc(x_50);
  lean_inc(x_49);
  lean_dec(x_45);
  x_51 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_51, 0, x_49);
  lean_ctor_set(x_51, 1, x_50);
  return x_51;
  }
  }
  }
  }
  }
  else
  {
  uint8_t x_52; 
  lean_dec(x_28);
  lean_dec(x_27);
  lean_dec(x_17);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_2);
  lean_dec(x_1);
  x_52 = !lean_is_exclusive(x_29);
  if (x_52 == 0)
  {
  return x_29;
  }
  else
  {
  lean_object* x_53; lean_object* x_54; lean_object* x_55; 
  x_53 = lean_ctor_get(x_29, 0);
  x_54 = lean_ctor_get(x_29, 1);
  lean_inc(x_54);
  lean_inc(x_53);
  lean_dec(x_29);
  x_55 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_55, 0, x_53);
  lean_ctor_set(x_55, 1, x_54);
  return x_55;
  }
  }
  }
  block_25:
  {
  lean_object* x_20; lean_object* x_21; size_t x_22; size_t x_23; 
  x_20 = lean_ctor_get(x_18, 0);
  lean_inc(x_20);
  lean_dec(x_18);
  lean_inc(x_2);
  if (lean_is_scalar(x_17)) {
   x_21 = lean_alloc_ctor(0, 2, 0);
  } else {
   x_21 = x_17;
  }
  lean_ctor_set(x_21, 0, x_2);
  lean_ctor_set(x_21, 1, x_20);
  x_22 = 1;
  x_23 = lean_usize_add(x_5, x_22);
  x_5 = x_23;
  x_6 = x_21;
  x_12 = x_19;
  goto _start;
  }
  }
  }
  }
  LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_cleanup_collectPropsStep___spec__1___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
  _start:
  {
  lean_object* x_9; 
  x_9 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_9, 0, x_1);
  lean_ctor_set(x_9, 1, x_8);
  return x_9;
  }
  }
  LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_cleanup_collectPropsStep___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
  _start:
  {
  lean_object* x_10; lean_object* x_11; 
  x_10 = lean_ctor_get(x_2, 0);
  lean_inc(x_10);
  lean_inc(x_8);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  lean_inc(x_3);
  lean_inc(x_1);
  x_11 = l_Std_PersistentArray_forInAux___at_Lean_Meta_cleanup_collectPropsStep___spec__2(x_1, x_3, x_10, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
  if (lean_obj_tag(x_11) == 0)
  {
  lean_object* x_12; 
  x_12 = lean_ctor_get(x_11, 0);
  lean_inc(x_12);
  if (lean_obj_tag(x_12) == 0)
  {
  uint8_t x_13; 
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_2);
  lean_dec(x_1);
  x_13 = !lean_is_exclusive(x_11);
  if (x_13 == 0)
  {
  lean_object* x_14; lean_object* x_15; 
  x_14 = lean_ctor_get(x_11, 0);
  lean_dec(x_14);
  x_15 = lean_ctor_get(x_12, 0);
  lean_inc(x_15);
  lean_dec(x_12);
  lean_ctor_set(x_11, 0, x_15);
  return x_11;
  }
  else
  {
  lean_object* x_16; lean_object* x_17; lean_object* x_18; 
  x_16 = lean_ctor_get(x_11, 1);
  lean_inc(x_16);
  lean_dec(x_11);
  x_17 = lean_ctor_get(x_12, 0);
  lean_inc(x_17);
  lean_dec(x_12);
  x_18 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_18, 0, x_17);
  lean_ctor_set(x_18, 1, x_16);
  return x_18;
  }
  }
  else
  {
  lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; size_t x_25; size_t x_26; lean_object* x_27; 
  x_19 = lean_ctor_get(x_11, 1);
  lean_inc(x_19);
  lean_dec(x_11);
  x_20 = lean_ctor_get(x_12, 0);
  lean_inc(x_20);
  lean_dec(x_12);
  x_21 = lean_ctor_get(x_2, 1);
  lean_inc(x_21);
  lean_dec(x_2);
  x_22 = lean_box(0);
  x_23 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_23, 0, x_22);
  lean_ctor_set(x_23, 1, x_20);
  x_24 = lean_array_get_size(x_21);
  x_25 = lean_usize_of_nat(x_24);
  lean_dec(x_24);
  x_26 = 0;
  x_27 = l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__5(x_1, x_22, x_21, x_25, x_26, x_23, x_4, x_5, x_6, x_7, x_8, x_19);
  lean_dec(x_4);
  lean_dec(x_21);
  if (lean_obj_tag(x_27) == 0)
  {
  lean_object* x_28; lean_object* x_29; 
  x_28 = lean_ctor_get(x_27, 0);
  lean_inc(x_28);
  x_29 = lean_ctor_get(x_28, 0);
  lean_inc(x_29);
  if (lean_obj_tag(x_29) == 0)
  {
  uint8_t x_30; 
  x_30 = !lean_is_exclusive(x_27);
  if (x_30 == 0)
  {
  lean_object* x_31; lean_object* x_32; 
  x_31 = lean_ctor_get(x_27, 0);
  lean_dec(x_31);
  x_32 = lean_ctor_get(x_28, 1);
  lean_inc(x_32);
  lean_dec(x_28);
  lean_ctor_set(x_27, 0, x_32);
  return x_27;
  }
  else
  {
  lean_object* x_33; lean_object* x_34; lean_object* x_35; 
  x_33 = lean_ctor_get(x_27, 1);
  lean_inc(x_33);
  lean_dec(x_27);
  x_34 = lean_ctor_get(x_28, 1);
  lean_inc(x_34);
  lean_dec(x_28);
  x_35 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_35, 0, x_34);
  lean_ctor_set(x_35, 1, x_33);
  return x_35;
  }
  }
  else
  {
  uint8_t x_36; 
  lean_dec(x_28);
  x_36 = !lean_is_exclusive(x_27);
  if (x_36 == 0)
  {
  lean_object* x_37; lean_object* x_38; 
  x_37 = lean_ctor_get(x_27, 0);
  lean_dec(x_37);
  x_38 = lean_ctor_get(x_29, 0);
  lean_inc(x_38);
  lean_dec(x_29);
  lean_ctor_set(x_27, 0, x_38);
  return x_27;
  }
  else
  {
  lean_object* x_39; lean_object* x_40; lean_object* x_41; 
  x_39 = lean_ctor_get(x_27, 1);
  lean_inc(x_39);
  lean_dec(x_27);
  x_40 = lean_ctor_get(x_29, 0);
  lean_inc(x_40);
  lean_dec(x_29);
  x_41 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_41, 0, x_40);
  lean_ctor_set(x_41, 1, x_39);
  return x_41;
  }
  }
  }
  else
  {
  uint8_t x_42; 
  x_42 = !lean_is_exclusive(x_27);
  if (x_42 == 0)
  {
  return x_27;
  }
  else
  {
  lean_object* x_43; lean_object* x_44; lean_object* x_45; 
  x_43 = lean_ctor_get(x_27, 0);
  x_44 = lean_ctor_get(x_27, 1);
  lean_inc(x_44);
  lean_inc(x_43);
  lean_dec(x_27);
  x_45 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_45, 0, x_43);
  lean_ctor_set(x_45, 1, x_44);
  return x_45;
  }
  }
  }
  }
  else
  {
  uint8_t x_46; 
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_2);
  lean_dec(x_1);
  x_46 = !lean_is_exclusive(x_11);
  if (x_46 == 0)
  {
  return x_11;
  }
  else
  {
  lean_object* x_47; lean_object* x_48; lean_object* x_49; 
  x_47 = lean_ctor_get(x_11, 0);
  x_48 = lean_ctor_get(x_11, 1);
  lean_inc(x_48);
  lean_inc(x_47);
  lean_dec(x_11);
  x_49 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_49, 0, x_47);
  lean_ctor_set(x_49, 1, x_48);
  return x_49;
  }
  }
  }
  }
  LEAN_EXPORT lean_object* l_Lean_Meta_cleanup_collectPropsStep(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
  _start:
  {
  lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
  x_7 = lean_st_ref_get(x_5, x_6);
  x_8 = lean_ctor_get(x_7, 1);
  lean_inc(x_8);
  lean_dec(x_7);
  x_9 = lean_st_ref_get(x_1, x_8);
  x_10 = lean_ctor_get(x_9, 0);
  lean_inc(x_10);
  x_11 = lean_ctor_get(x_9, 1);
  lean_inc(x_11);
  lean_dec(x_9);
  x_12 = lean_ctor_get(x_10, 1);
  lean_inc(x_12);
  lean_dec(x_10);
  x_13 = lean_ctor_get(x_2, 1);
  lean_inc(x_13);
  x_14 = lean_ctor_get(x_13, 1);
  lean_inc(x_14);
  lean_dec(x_13);
  x_15 = lean_box(0);
  x_16 = l_Std_PersistentArray_forIn___at_Lean_Meta_cleanup_collectPropsStep___spec__1(x_12, x_14, x_15, x_1, x_2, x_3, x_4, x_5, x_11);
  if (lean_obj_tag(x_16) == 0)
  {
  uint8_t x_17; 
  x_17 = !lean_is_exclusive(x_16);
  if (x_17 == 0)
  {
  lean_object* x_18; 
  x_18 = lean_ctor_get(x_16, 0);
  lean_dec(x_18);
  lean_ctor_set(x_16, 0, x_15);
  return x_16;
  }
  else
  {
  lean_object* x_19; lean_object* x_20; 
  x_19 = lean_ctor_get(x_16, 1);
  lean_inc(x_19);
  lean_dec(x_16);
  x_20 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_20, 0, x_15);
  lean_ctor_set(x_20, 1, x_19);
  return x_20;
  }
  }
  else
  {
  uint8_t x_21; 
  x_21 = !lean_is_exclusive(x_16);
  if (x_21 == 0)
  {
  return x_16;
  }
  else
  {
  lean_object* x_22; lean_object* x_23; lean_object* x_24; 
  x_22 = lean_ctor_get(x_16, 0);
  x_23 = lean_ctor_get(x_16, 1);
  lean_inc(x_23);
  lean_inc(x_22);
  lean_dec(x_16);
  x_24 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_24, 0, x_22);
  lean_ctor_set(x_24, 1, x_23);
  return x_24;
  }
  }
  }
  }
  LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
  _start:
  {
  size_t x_14; size_t x_15; lean_object* x_16; 
  x_14 = lean_unbox_usize(x_5);
  lean_dec(x_5);
  x_15 = lean_unbox_usize(x_6);
  lean_dec(x_6);
  x_16 = l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__3(x_1, x_2, x_3, x_4, x_14, x_15, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
  lean_dec(x_4);
  return x_16;
  }
  }
  LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___lambda__1___boxed(lean_object* x_1) {
  _start:
  {
  uint8_t x_2; lean_object* x_3; 
  x_2 = l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___lambda__1(x_1);
  lean_dec(x_1);
  x_3 = lean_box(x_2);
  return x_3;
  }
  }
  LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
  _start:
  {
  size_t x_13; size_t x_14; lean_object* x_15; 
  x_13 = lean_unbox_usize(x_4);
  lean_dec(x_4);
  x_14 = lean_unbox_usize(x_5);
  lean_dec(x_5);
  x_15 = l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4(x_1, x_2, x_3, x_13, x_14, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
  lean_dec(x_7);
  lean_dec(x_3);
  return x_15;
  }
  }
  LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_Meta_cleanup_collectPropsStep___spec__2___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
  _start:
  {
  lean_object* x_9; 
  x_9 = l_Std_PersistentArray_forInAux___at_Lean_Meta_cleanup_collectPropsStep___spec__2___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  return x_9;
  }
  }
  LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
  _start:
  {
  size_t x_13; size_t x_14; lean_object* x_15; 
  x_13 = lean_unbox_usize(x_4);
  lean_dec(x_4);
  x_14 = lean_unbox_usize(x_5);
  lean_dec(x_5);
  x_15 = l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__5(x_1, x_2, x_3, x_13, x_14, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
  lean_dec(x_7);
  lean_dec(x_3);
  return x_15;
  }
  }
  LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_cleanup_collectPropsStep___spec__1___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
  _start:
  {
  lean_object* x_9; 
  x_9 = l_Std_PersistentArray_forIn___at_Lean_Meta_cleanup_collectPropsStep___spec__1___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  return x_9;
  }
  }
  LEAN_EXPORT lean_object* l_Lean_Meta_cleanup_collectProps(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
  _start:
  {
  lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; 
  x_7 = lean_st_ref_get(x_5, x_6);
  x_8 = lean_ctor_get(x_7, 1);
  lean_inc(x_8);
  lean_dec(x_7);
  x_9 = lean_st_ref_take(x_1, x_8);
  x_10 = lean_ctor_get(x_9, 0);
  lean_inc(x_10);
  x_11 = lean_ctor_get(x_9, 1);
  lean_inc(x_11);
  lean_dec(x_9);
  x_12 = !lean_is_exclusive(x_10);
  if (x_12 == 0)
  {
  lean_object* x_13; uint8_t x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
  x_13 = lean_ctor_get(x_10, 0);
  lean_dec(x_13);
  x_14 = 0;
  x_15 = lean_box(x_14);
  lean_ctor_set(x_10, 0, x_15);
  x_16 = lean_st_ref_set(x_1, x_10, x_11);
  x_17 = lean_ctor_get(x_16, 1);
  lean_inc(x_17);
  lean_dec(x_16);
  lean_inc(x_5);
  lean_inc(x_4);
  lean_inc(x_3);
  lean_inc(x_2);
  lean_inc(x_1);
  x_18 = l_Lean_Meta_cleanup_collectPropsStep(x_1, x_2, x_3, x_4, x_5, x_17);
  if (lean_obj_tag(x_18) == 0)
  {
  lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; 
  x_19 = lean_ctor_get(x_18, 1);
  lean_inc(x_19);
  lean_dec(x_18);
  x_20 = lean_st_ref_get(x_5, x_19);
  x_21 = lean_ctor_get(x_20, 1);
  lean_inc(x_21);
  lean_dec(x_20);
  x_22 = lean_st_ref_get(x_1, x_21);
  x_23 = lean_ctor_get(x_22, 0);
  lean_inc(x_23);
  x_24 = lean_ctor_get(x_23, 0);
  lean_inc(x_24);
  lean_dec(x_23);
  x_25 = lean_unbox(x_24);
  lean_dec(x_24);
  if (x_25 == 0)
  {
  uint8_t x_26; 
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_26 = !lean_is_exclusive(x_22);
  if (x_26 == 0)
  {
  lean_object* x_27; lean_object* x_28; 
  x_27 = lean_ctor_get(x_22, 0);
  lean_dec(x_27);
  x_28 = lean_box(0);
  lean_ctor_set(x_22, 0, x_28);
  return x_22;
  }
  else
  {
  lean_object* x_29; lean_object* x_30; lean_object* x_31; 
  x_29 = lean_ctor_get(x_22, 1);
  lean_inc(x_29);
  lean_dec(x_22);
  x_30 = lean_box(0);
  x_31 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_31, 0, x_30);
  lean_ctor_set(x_31, 1, x_29);
  return x_31;
  }
  }
  else
  {
  lean_object* x_32; 
  x_32 = lean_ctor_get(x_22, 1);
  lean_inc(x_32);
  lean_dec(x_22);
  x_6 = x_32;
  goto _start;
  }
  }
  else
  {
  uint8_t x_34; 
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_34 = !lean_is_exclusive(x_18);
  if (x_34 == 0)
  {
  return x_18;
  }
  else
  {
  lean_object* x_35; lean_object* x_36; lean_object* x_37; 
  x_35 = lean_ctor_get(x_18, 0);
  x_36 = lean_ctor_get(x_18, 1);
  lean_inc(x_36);
  lean_inc(x_35);
  lean_dec(x_18);
  x_37 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_37, 0, x_35);
  lean_ctor_set(x_37, 1, x_36);
  return x_37;
  }
  }
  }
  else
  {
  lean_object* x_38; uint8_t x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
  x_38 = lean_ctor_get(x_10, 1);
  lean_inc(x_38);
  lean_dec(x_10);
  x_39 = 0;
  x_40 = lean_box(x_39);
  x_41 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_41, 0, x_40);
  lean_ctor_set(x_41, 1, x_38);
  x_42 = lean_st_ref_set(x_1, x_41, x_11);
  x_43 = lean_ctor_get(x_42, 1);
  lean_inc(x_43);
  lean_dec(x_42);
  lean_inc(x_5);
  lean_inc(x_4);
  lean_inc(x_3);
  lean_inc(x_2);
  lean_inc(x_1);
  x_44 = l_Lean_Meta_cleanup_collectPropsStep(x_1, x_2, x_3, x_4, x_5, x_43);
  if (lean_obj_tag(x_44) == 0)
  {
  lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; uint8_t x_51; 
  x_45 = lean_ctor_get(x_44, 1);
  lean_inc(x_45);
  lean_dec(x_44);
  x_46 = lean_st_ref_get(x_5, x_45);
  x_47 = lean_ctor_get(x_46, 1);
  lean_inc(x_47);
  lean_dec(x_46);
  x_48 = lean_st_ref_get(x_1, x_47);
  x_49 = lean_ctor_get(x_48, 0);
  lean_inc(x_49);
  x_50 = lean_ctor_get(x_49, 0);
  lean_inc(x_50);
  lean_dec(x_49);
  x_51 = lean_unbox(x_50);
  lean_dec(x_50);
  if (x_51 == 0)
  {
  lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; 
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_52 = lean_ctor_get(x_48, 1);
  lean_inc(x_52);
  if (lean_is_exclusive(x_48)) {
   lean_ctor_release(x_48, 0);
   lean_ctor_release(x_48, 1);
   x_53 = x_48;
  } else {
   lean_dec_ref(x_48);
   x_53 = lean_box(0);
  }
  x_54 = lean_box(0);
  if (lean_is_scalar(x_53)) {
   x_55 = lean_alloc_ctor(0, 2, 0);
  } else {
   x_55 = x_53;
  }
  lean_ctor_set(x_55, 0, x_54);
  lean_ctor_set(x_55, 1, x_52);
  return x_55;
  }
  else
  {
  lean_object* x_56; 
  x_56 = lean_ctor_get(x_48, 1);
  lean_inc(x_56);
  lean_dec(x_48);
  x_6 = x_56;
  goto _start;
  }
  }
  else
  {
  lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; 
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_58 = lean_ctor_get(x_44, 0);
  lean_inc(x_58);
  x_59 = lean_ctor_get(x_44, 1);
  lean_inc(x_59);
  if (lean_is_exclusive(x_44)) {
   lean_ctor_release(x_44, 0);
   lean_ctor_release(x_44, 1);
   x_60 = x_44;
  } else {
   lean_dec_ref(x_44);
   x_60 = lean_box(0);
  }
  if (lean_is_scalar(x_60)) {
   x_61 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_61 = x_60;
  }
  lean_ctor_set(x_61, 0, x_58);
  lean_ctor_set(x_61, 1, x_59);
  return x_61;
  }
  }
  }
  }
  LEAN_EXPORT lean_object* l_Lean_Meta_cleanup_collectUsed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; 
  x_8 = l_Lean_Meta_getMVarType(x_1, x_3, x_4, x_5, x_6, x_7);
  if (lean_obj_tag(x_8) == 0)
  {
  lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
  x_9 = lean_ctor_get(x_8, 0);
  lean_inc(x_9);
  x_10 = lean_ctor_get(x_8, 1);
  lean_inc(x_10);
  lean_dec(x_8);
  lean_inc(x_4);
  x_11 = l_Lean_Meta_instantiateMVars(x_9, x_3, x_4, x_5, x_6, x_10);
  x_12 = lean_ctor_get(x_11, 0);
  lean_inc(x_12);
  x_13 = lean_ctor_get(x_11, 1);
  lean_inc(x_13);
  lean_dec(x_11);
  lean_inc(x_4);
  lean_inc(x_3);
  x_14 = l_Lean_Meta_cleanup_addUsedFVars(x_12, x_2, x_3, x_4, x_5, x_6, x_13);
  if (lean_obj_tag(x_14) == 0)
  {
  lean_object* x_15; lean_object* x_16; 
  x_15 = lean_ctor_get(x_14, 1);
  lean_inc(x_15);
  lean_dec(x_14);
  lean_inc(x_6);
  lean_inc(x_2);
  x_16 = l_Lean_Meta_cleanup_collectProps(x_2, x_3, x_4, x_5, x_6, x_15);
  if (lean_obj_tag(x_16) == 0)
  {
  lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; uint8_t x_21; 
  x_17 = lean_ctor_get(x_16, 1);
  lean_inc(x_17);
  lean_dec(x_16);
  x_18 = lean_st_ref_get(x_6, x_17);
  lean_dec(x_6);
  x_19 = lean_ctor_get(x_18, 1);
  lean_inc(x_19);
  lean_dec(x_18);
  x_20 = lean_st_ref_get(x_2, x_19);
  lean_dec(x_2);
  x_21 = !lean_is_exclusive(x_20);
  if (x_21 == 0)
  {
  lean_object* x_22; lean_object* x_23; 
  x_22 = lean_ctor_get(x_20, 0);
  x_23 = lean_ctor_get(x_22, 1);
  lean_inc(x_23);
  lean_dec(x_22);
  lean_ctor_set(x_20, 0, x_23);
  return x_20;
  }
  else
  {
  lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; 
  x_24 = lean_ctor_get(x_20, 0);
  x_25 = lean_ctor_get(x_20, 1);
  lean_inc(x_25);
  lean_inc(x_24);
  lean_dec(x_20);
  x_26 = lean_ctor_get(x_24, 1);
  lean_inc(x_26);
  lean_dec(x_24);
  x_27 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_27, 0, x_26);
  lean_ctor_set(x_27, 1, x_25);
  return x_27;
  }
  }
  else
  {
  uint8_t x_28; 
  lean_dec(x_6);
  lean_dec(x_2);
  x_28 = !lean_is_exclusive(x_16);
  if (x_28 == 0)
  {
  return x_16;
  }
  else
  {
  lean_object* x_29; lean_object* x_30; lean_object* x_31; 
  x_29 = lean_ctor_get(x_16, 0);
  x_30 = lean_ctor_get(x_16, 1);
  lean_inc(x_30);
  lean_inc(x_29);
  lean_dec(x_16);
  x_31 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_31, 0, x_29);
  lean_ctor_set(x_31, 1, x_30);
  return x_31;
  }
  }
  }
  else
  {
  uint8_t x_32; 
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  x_32 = !lean_is_exclusive(x_14);
  if (x_32 == 0)
  {
  return x_14;
  }
  else
  {
  lean_object* x_33; lean_object* x_34; lean_object* x_35; 
  x_33 = lean_ctor_get(x_14, 0);
  x_34 = lean_ctor_get(x_14, 1);
  lean_inc(x_34);
  lean_inc(x_33);
  lean_dec(x_14);
  x_35 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_35, 0, x_33);
  lean_ctor_set(x_35, 1, x_34);
  return x_35;
  }
  }
  }
  else
  {
  uint8_t x_36; 
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  x_36 = !lean_is_exclusive(x_8);
  if (x_36 == 0)
  {
  return x_8;
  }
  else
  {
  lean_object* x_37; lean_object* x_38; lean_object* x_39; 
  x_37 = lean_ctor_get(x_8, 0);
  x_38 = lean_ctor_get(x_8, 1);
  lean_inc(x_38);
  lean_inc(x_37);
  lean_dec(x_8);
  x_39 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_39, 0, x_37);
  lean_ctor_set(x_39, 1, x_38);
  return x_39;
  }
  }
  }
  }
  LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, size_t x_6, size_t x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
  _start:
  {
  uint8_t x_14; 
  x_14 = lean_usize_dec_lt(x_7, x_6);
  if (x_14 == 0)
  {
  lean_object* x_15; 
  lean_dec(x_10);
  lean_dec(x_4);
  lean_dec(x_2);
  lean_dec(x_1);
  x_15 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_15, 0, x_8);
  lean_ctor_set(x_15, 1, x_13);
  return x_15;
  }
  else
  {
  lean_object* x_16; uint8_t x_17; 
  x_16 = lean_array_uget(x_5, x_7);
  x_17 = !lean_is_exclusive(x_8);
  if (x_17 == 0)
  {
  lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
  x_18 = lean_ctor_get(x_8, 1);
  x_19 = lean_ctor_get(x_8, 0);
  lean_dec(x_19);
  lean_inc(x_10);
  lean_inc(x_18);
  lean_inc(x_2);
  lean_inc(x_1);
  x_20 = l_Std_PersistentArray_forInAux___at_Lean_Meta_cleanup___spec__2(x_1, x_2, x_3, x_16, x_18, x_9, x_10, x_11, x_12, x_13);
  x_21 = lean_ctor_get(x_20, 0);
  lean_inc(x_21);
  if (lean_obj_tag(x_21) == 0)
  {
  uint8_t x_22; 
  lean_dec(x_10);
  lean_dec(x_4);
  lean_dec(x_2);
  lean_dec(x_1);
  x_22 = !lean_is_exclusive(x_20);
  if (x_22 == 0)
  {
  lean_object* x_23; lean_object* x_24; 
  x_23 = lean_ctor_get(x_20, 0);
  lean_dec(x_23);
  x_24 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_24, 0, x_21);
  lean_ctor_set(x_8, 0, x_24);
  lean_ctor_set(x_20, 0, x_8);
  return x_20;
  }
  else
  {
  lean_object* x_25; lean_object* x_26; lean_object* x_27; 
  x_25 = lean_ctor_get(x_20, 1);
  lean_inc(x_25);
  lean_dec(x_20);
  x_26 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_26, 0, x_21);
  lean_ctor_set(x_8, 0, x_26);
  x_27 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_27, 0, x_8);
  lean_ctor_set(x_27, 1, x_25);
  return x_27;
  }
  }
  else
  {
  lean_object* x_28; lean_object* x_29; size_t x_30; size_t x_31; 
  lean_dec(x_18);
  x_28 = lean_ctor_get(x_20, 1);
  lean_inc(x_28);
  lean_dec(x_20);
  x_29 = lean_ctor_get(x_21, 0);
  lean_inc(x_29);
  lean_dec(x_21);
  lean_inc(x_4);
  lean_ctor_set(x_8, 1, x_29);
  lean_ctor_set(x_8, 0, x_4);
  x_30 = 1;
  x_31 = lean_usize_add(x_7, x_30);
  x_7 = x_31;
  x_13 = x_28;
  goto _start;
  }
  }
  else
  {
  lean_object* x_33; lean_object* x_34; lean_object* x_35; 
  x_33 = lean_ctor_get(x_8, 1);
  lean_inc(x_33);
  lean_dec(x_8);
  lean_inc(x_10);
  lean_inc(x_33);
  lean_inc(x_2);
  lean_inc(x_1);
  x_34 = l_Std_PersistentArray_forInAux___at_Lean_Meta_cleanup___spec__2(x_1, x_2, x_3, x_16, x_33, x_9, x_10, x_11, x_12, x_13);
  x_35 = lean_ctor_get(x_34, 0);
  lean_inc(x_35);
  if (lean_obj_tag(x_35) == 0)
  {
  lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; 
  lean_dec(x_10);
  lean_dec(x_4);
  lean_dec(x_2);
  lean_dec(x_1);
  x_36 = lean_ctor_get(x_34, 1);
  lean_inc(x_36);
  if (lean_is_exclusive(x_34)) {
   lean_ctor_release(x_34, 0);
   lean_ctor_release(x_34, 1);
   x_37 = x_34;
  } else {
   lean_dec_ref(x_34);
   x_37 = lean_box(0);
  }
  x_38 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_38, 0, x_35);
  x_39 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_39, 0, x_38);
  lean_ctor_set(x_39, 1, x_33);
  if (lean_is_scalar(x_37)) {
   x_40 = lean_alloc_ctor(0, 2, 0);
  } else {
   x_40 = x_37;
  }
  lean_ctor_set(x_40, 0, x_39);
  lean_ctor_set(x_40, 1, x_36);
  return x_40;
  }
  else
  {
  lean_object* x_41; lean_object* x_42; lean_object* x_43; size_t x_44; size_t x_45; 
  lean_dec(x_33);
  x_41 = lean_ctor_get(x_34, 1);
  lean_inc(x_41);
  lean_dec(x_34);
  x_42 = lean_ctor_get(x_35, 0);
  lean_inc(x_42);
  lean_dec(x_35);
  lean_inc(x_4);
  x_43 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_43, 0, x_4);
  lean_ctor_set(x_43, 1, x_42);
  x_44 = 1;
  x_45 = lean_usize_add(x_7, x_44);
  x_7 = x_45;
  x_8 = x_43;
  x_13 = x_41;
  goto _start;
  }
  }
  }
  }
  }
  LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
  _start:
  {
  uint8_t x_13; 
  x_13 = lean_usize_dec_lt(x_6, x_5);
  if (x_13 == 0)
  {
  lean_object* x_14; 
  lean_dec(x_3);
  x_14 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_14, 0, x_7);
  lean_ctor_set(x_14, 1, x_12);
  return x_14;
  }
  else
  {
  lean_object* x_15; 
  x_15 = lean_array_uget(x_4, x_6);
  if (lean_obj_tag(x_15) == 0)
  {
  uint8_t x_16; 
  x_16 = !lean_is_exclusive(x_7);
  if (x_16 == 0)
  {
  lean_object* x_17; size_t x_18; size_t x_19; 
  x_17 = lean_ctor_get(x_7, 0);
  lean_dec(x_17);
  lean_inc(x_3);
  lean_ctor_set(x_7, 0, x_3);
  x_18 = 1;
  x_19 = lean_usize_add(x_6, x_18);
  x_6 = x_19;
  goto _start;
  }
  else
  {
  lean_object* x_21; lean_object* x_22; size_t x_23; size_t x_24; 
  x_21 = lean_ctor_get(x_7, 1);
  lean_inc(x_21);
  lean_dec(x_7);
  lean_inc(x_3);
  x_22 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_22, 0, x_3);
  lean_ctor_set(x_22, 1, x_21);
  x_23 = 1;
  x_24 = lean_usize_add(x_6, x_23);
  x_6 = x_24;
  x_7 = x_22;
  goto _start;
  }
  }
  else
  {
  uint8_t x_26; 
  x_26 = !lean_is_exclusive(x_7);
  if (x_26 == 0)
  {
  lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
  x_27 = lean_ctor_get(x_7, 1);
  x_28 = lean_ctor_get(x_7, 0);
  lean_dec(x_28);
  x_29 = lean_ctor_get(x_15, 0);
  lean_inc(x_29);
  lean_dec(x_15);
  x_30 = l_Lean_LocalDecl_fvarId(x_29);
  lean_dec(x_29);
  x_31 = l_Std_RBNode_findCore___at_Lean_Meta_ToHide_isMarked___spec__1(x_2, x_30);
  if (lean_obj_tag(x_31) == 0)
  {
  lean_object* x_32; size_t x_33; size_t x_34; 
  x_32 = lean_local_ctx_erase(x_27, x_30);
  lean_inc(x_3);
  lean_ctor_set(x_7, 1, x_32);
  lean_ctor_set(x_7, 0, x_3);
  x_33 = 1;
  x_34 = lean_usize_add(x_6, x_33);
  x_6 = x_34;
  goto _start;
  }
  else
  {
  size_t x_36; size_t x_37; 
  lean_dec(x_31);
  lean_dec(x_30);
  lean_inc(x_3);
  lean_ctor_set(x_7, 0, x_3);
  x_36 = 1;
  x_37 = lean_usize_add(x_6, x_36);
  x_6 = x_37;
  goto _start;
  }
  }
  else
  {
  lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
  x_39 = lean_ctor_get(x_7, 1);
  lean_inc(x_39);
  lean_dec(x_7);
  x_40 = lean_ctor_get(x_15, 0);
  lean_inc(x_40);
  lean_dec(x_15);
  x_41 = l_Lean_LocalDecl_fvarId(x_40);
  lean_dec(x_40);
  x_42 = l_Std_RBNode_findCore___at_Lean_Meta_ToHide_isMarked___spec__1(x_2, x_41);
  if (lean_obj_tag(x_42) == 0)
  {
  lean_object* x_43; lean_object* x_44; size_t x_45; size_t x_46; 
  x_43 = lean_local_ctx_erase(x_39, x_41);
  lean_inc(x_3);
  x_44 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_44, 0, x_3);
  lean_ctor_set(x_44, 1, x_43);
  x_45 = 1;
  x_46 = lean_usize_add(x_6, x_45);
  x_6 = x_46;
  x_7 = x_44;
  goto _start;
  }
  else
  {
  lean_object* x_48; size_t x_49; size_t x_50; 
  lean_dec(x_42);
  lean_dec(x_41);
  lean_inc(x_3);
  x_48 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_48, 0, x_3);
  lean_ctor_set(x_48, 1, x_39);
  x_49 = 1;
  x_50 = lean_usize_add(x_6, x_49);
  x_6 = x_50;
  x_7 = x_48;
  goto _start;
  }
  }
  }
  }
  }
  }
  LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_Meta_cleanup___spec__2___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; lean_object* x_9; 
  x_8 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_8, 0, x_1);
  x_9 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_9, 0, x_8);
  lean_ctor_set(x_9, 1, x_7);
  return x_9;
  }
  }
  LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_Meta_cleanup___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
  _start:
  {
  if (lean_obj_tag(x_4) == 0)
  {
  lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; size_t x_15; size_t x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
  x_11 = lean_ctor_get(x_4, 0);
  lean_inc(x_11);
  lean_dec(x_4);
  x_12 = lean_box(0);
  x_13 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_13, 0, x_12);
  lean_ctor_set(x_13, 1, x_5);
  x_14 = lean_array_get_size(x_11);
  x_15 = lean_usize_of_nat(x_14);
  lean_dec(x_14);
  x_16 = 0;
  lean_inc(x_7);
  x_17 = l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup___spec__3(x_1, x_2, x_3, x_12, x_11, x_15, x_16, x_13, x_6, x_7, x_8, x_9, x_10);
  lean_dec(x_11);
  x_18 = lean_ctor_get(x_17, 0);
  lean_inc(x_18);
  x_19 = lean_ctor_get(x_18, 0);
  lean_inc(x_19);
  if (lean_obj_tag(x_19) == 0)
  {
  lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
  x_20 = lean_ctor_get(x_17, 1);
  lean_inc(x_20);
  lean_dec(x_17);
  x_21 = lean_ctor_get(x_18, 1);
  lean_inc(x_21);
  lean_dec(x_18);
  x_22 = lean_box(0);
  x_23 = l_Std_PersistentArray_forInAux___at_Lean_Meta_cleanup___spec__2___lambda__1(x_21, x_22, x_6, x_7, x_8, x_9, x_20);
  lean_dec(x_7);
  return x_23;
  }
  else
  {
  uint8_t x_24; 
  lean_dec(x_18);
  lean_dec(x_7);
  x_24 = !lean_is_exclusive(x_17);
  if (x_24 == 0)
  {
  lean_object* x_25; lean_object* x_26; 
  x_25 = lean_ctor_get(x_17, 0);
  lean_dec(x_25);
  x_26 = lean_ctor_get(x_19, 0);
  lean_inc(x_26);
  lean_dec(x_19);
  lean_ctor_set(x_17, 0, x_26);
  return x_17;
  }
  else
  {
  lean_object* x_27; lean_object* x_28; lean_object* x_29; 
  x_27 = lean_ctor_get(x_17, 1);
  lean_inc(x_27);
  lean_dec(x_17);
  x_28 = lean_ctor_get(x_19, 0);
  lean_inc(x_28);
  lean_dec(x_19);
  x_29 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_29, 0, x_28);
  lean_ctor_set(x_29, 1, x_27);
  return x_29;
  }
  }
  }
  else
  {
  lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; size_t x_34; size_t x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; 
  x_30 = lean_ctor_get(x_4, 0);
  lean_inc(x_30);
  lean_dec(x_4);
  x_31 = lean_box(0);
  x_32 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_32, 0, x_31);
  lean_ctor_set(x_32, 1, x_5);
  x_33 = lean_array_get_size(x_30);
  x_34 = lean_usize_of_nat(x_33);
  lean_dec(x_33);
  x_35 = 0;
  x_36 = l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup___spec__4(x_1, x_2, x_31, x_30, x_34, x_35, x_32, x_6, x_7, x_8, x_9, x_10);
  lean_dec(x_30);
  lean_dec(x_2);
  lean_dec(x_1);
  x_37 = lean_ctor_get(x_36, 0);
  lean_inc(x_37);
  x_38 = lean_ctor_get(x_37, 0);
  lean_inc(x_38);
  if (lean_obj_tag(x_38) == 0)
  {
  lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
  x_39 = lean_ctor_get(x_36, 1);
  lean_inc(x_39);
  lean_dec(x_36);
  x_40 = lean_ctor_get(x_37, 1);
  lean_inc(x_40);
  lean_dec(x_37);
  x_41 = lean_box(0);
  x_42 = l_Std_PersistentArray_forInAux___at_Lean_Meta_cleanup___spec__2___lambda__1(x_40, x_41, x_6, x_7, x_8, x_9, x_39);
  lean_dec(x_7);
  return x_42;
  }
  else
  {
  uint8_t x_43; 
  lean_dec(x_37);
  lean_dec(x_7);
  x_43 = !lean_is_exclusive(x_36);
  if (x_43 == 0)
  {
  lean_object* x_44; lean_object* x_45; 
  x_44 = lean_ctor_get(x_36, 0);
  lean_dec(x_44);
  x_45 = lean_ctor_get(x_38, 0);
  lean_inc(x_45);
  lean_dec(x_38);
  lean_ctor_set(x_36, 0, x_45);
  return x_36;
  }
  else
  {
  lean_object* x_46; lean_object* x_47; lean_object* x_48; 
  x_46 = lean_ctor_get(x_36, 1);
  lean_inc(x_46);
  lean_dec(x_36);
  x_47 = lean_ctor_get(x_38, 0);
  lean_inc(x_47);
  lean_dec(x_38);
  x_48 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_48, 0, x_47);
  lean_ctor_set(x_48, 1, x_46);
  return x_48;
  }
  }
  }
  }
  }
  LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
  _start:
  {
  uint8_t x_13; 
  x_13 = lean_usize_dec_lt(x_6, x_5);
  if (x_13 == 0)
  {
  lean_object* x_14; 
  lean_dec(x_3);
  x_14 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_14, 0, x_7);
  lean_ctor_set(x_14, 1, x_12);
  return x_14;
  }
  else
  {
  lean_object* x_15; 
  x_15 = lean_array_uget(x_4, x_6);
  if (lean_obj_tag(x_15) == 0)
  {
  uint8_t x_16; 
  x_16 = !lean_is_exclusive(x_7);
  if (x_16 == 0)
  {
  lean_object* x_17; size_t x_18; size_t x_19; 
  x_17 = lean_ctor_get(x_7, 0);
  lean_dec(x_17);
  lean_inc(x_3);
  lean_ctor_set(x_7, 0, x_3);
  x_18 = 1;
  x_19 = lean_usize_add(x_6, x_18);
  x_6 = x_19;
  goto _start;
  }
  else
  {
  lean_object* x_21; lean_object* x_22; size_t x_23; size_t x_24; 
  x_21 = lean_ctor_get(x_7, 1);
  lean_inc(x_21);
  lean_dec(x_7);
  lean_inc(x_3);
  x_22 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_22, 0, x_3);
  lean_ctor_set(x_22, 1, x_21);
  x_23 = 1;
  x_24 = lean_usize_add(x_6, x_23);
  x_6 = x_24;
  x_7 = x_22;
  goto _start;
  }
  }
  else
  {
  uint8_t x_26; 
  x_26 = !lean_is_exclusive(x_7);
  if (x_26 == 0)
  {
  lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
  x_27 = lean_ctor_get(x_7, 1);
  x_28 = lean_ctor_get(x_7, 0);
  lean_dec(x_28);
  x_29 = lean_ctor_get(x_15, 0);
  lean_inc(x_29);
  lean_dec(x_15);
  x_30 = l_Lean_LocalDecl_fvarId(x_29);
  lean_dec(x_29);
  x_31 = l_Std_RBNode_findCore___at_Lean_Meta_ToHide_isMarked___spec__1(x_2, x_30);
  if (lean_obj_tag(x_31) == 0)
  {
  lean_object* x_32; size_t x_33; size_t x_34; 
  x_32 = lean_local_ctx_erase(x_27, x_30);
  lean_inc(x_3);
  lean_ctor_set(x_7, 1, x_32);
  lean_ctor_set(x_7, 0, x_3);
  x_33 = 1;
  x_34 = lean_usize_add(x_6, x_33);
  x_6 = x_34;
  goto _start;
  }
  else
  {
  size_t x_36; size_t x_37; 
  lean_dec(x_31);
  lean_dec(x_30);
  lean_inc(x_3);
  lean_ctor_set(x_7, 0, x_3);
  x_36 = 1;
  x_37 = lean_usize_add(x_6, x_36);
  x_6 = x_37;
  goto _start;
  }
  }
  else
  {
  lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
  x_39 = lean_ctor_get(x_7, 1);
  lean_inc(x_39);
  lean_dec(x_7);
  x_40 = lean_ctor_get(x_15, 0);
  lean_inc(x_40);
  lean_dec(x_15);
  x_41 = l_Lean_LocalDecl_fvarId(x_40);
  lean_dec(x_40);
  x_42 = l_Std_RBNode_findCore___at_Lean_Meta_ToHide_isMarked___spec__1(x_2, x_41);
  if (lean_obj_tag(x_42) == 0)
  {
  lean_object* x_43; lean_object* x_44; size_t x_45; size_t x_46; 
  x_43 = lean_local_ctx_erase(x_39, x_41);
  lean_inc(x_3);
  x_44 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_44, 0, x_3);
  lean_ctor_set(x_44, 1, x_43);
  x_45 = 1;
  x_46 = lean_usize_add(x_6, x_45);
  x_6 = x_46;
  x_7 = x_44;
  goto _start;
  }
  else
  {
  lean_object* x_48; size_t x_49; size_t x_50; 
  lean_dec(x_42);
  lean_dec(x_41);
  lean_inc(x_3);
  x_48 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_48, 0, x_3);
  lean_ctor_set(x_48, 1, x_39);
  x_49 = 1;
  x_50 = lean_usize_add(x_6, x_49);
  x_6 = x_50;
  x_7 = x_48;
  goto _start;
  }
  }
  }
  }
  }
  }
  LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_cleanup___spec__1___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; 
  x_8 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_8, 0, x_1);
  lean_ctor_set(x_8, 1, x_7);
  return x_8;
  }
  }
  LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_cleanup___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
  _start:
  {
  lean_object* x_10; lean_object* x_11; lean_object* x_12; 
  x_10 = lean_ctor_get(x_3, 0);
  lean_inc(x_10);
  lean_inc(x_6);
  lean_inc(x_4);
  lean_inc(x_2);
  lean_inc(x_1);
  x_11 = l_Std_PersistentArray_forInAux___at_Lean_Meta_cleanup___spec__2(x_1, x_2, x_4, x_10, x_4, x_5, x_6, x_7, x_8, x_9);
  lean_dec(x_4);
  x_12 = lean_ctor_get(x_11, 0);
  lean_inc(x_12);
  if (lean_obj_tag(x_12) == 0)
  {
  uint8_t x_13; 
  lean_dec(x_6);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_13 = !lean_is_exclusive(x_11);
  if (x_13 == 0)
  {
  lean_object* x_14; lean_object* x_15; 
  x_14 = lean_ctor_get(x_11, 0);
  lean_dec(x_14);
  x_15 = lean_ctor_get(x_12, 0);
  lean_inc(x_15);
  lean_dec(x_12);
  lean_ctor_set(x_11, 0, x_15);
  return x_11;
  }
  else
  {
  lean_object* x_16; lean_object* x_17; lean_object* x_18; 
  x_16 = lean_ctor_get(x_11, 1);
  lean_inc(x_16);
  lean_dec(x_11);
  x_17 = lean_ctor_get(x_12, 0);
  lean_inc(x_17);
  lean_dec(x_12);
  x_18 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_18, 0, x_17);
  lean_ctor_set(x_18, 1, x_16);
  return x_18;
  }
  }
  else
  {
  lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; size_t x_25; size_t x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; 
  x_19 = lean_ctor_get(x_11, 1);
  lean_inc(x_19);
  lean_dec(x_11);
  x_20 = lean_ctor_get(x_12, 0);
  lean_inc(x_20);
  lean_dec(x_12);
  x_21 = lean_ctor_get(x_3, 1);
  lean_inc(x_21);
  lean_dec(x_3);
  x_22 = lean_box(0);
  x_23 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_23, 0, x_22);
  lean_ctor_set(x_23, 1, x_20);
  x_24 = lean_array_get_size(x_21);
  x_25 = lean_usize_of_nat(x_24);
  lean_dec(x_24);
  x_26 = 0;
  x_27 = l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup___spec__5(x_1, x_2, x_22, x_21, x_25, x_26, x_23, x_5, x_6, x_7, x_8, x_19);
  lean_dec(x_6);
  lean_dec(x_21);
  lean_dec(x_2);
  lean_dec(x_1);
  x_28 = lean_ctor_get(x_27, 0);
  lean_inc(x_28);
  x_29 = lean_ctor_get(x_28, 0);
  lean_inc(x_29);
  if (lean_obj_tag(x_29) == 0)
  {
  uint8_t x_30; 
  x_30 = !lean_is_exclusive(x_27);
  if (x_30 == 0)
  {
  lean_object* x_31; lean_object* x_32; 
  x_31 = lean_ctor_get(x_27, 0);
  lean_dec(x_31);
  x_32 = lean_ctor_get(x_28, 1);
  lean_inc(x_32);
  lean_dec(x_28);
  lean_ctor_set(x_27, 0, x_32);
  return x_27;
  }
  else
  {
  lean_object* x_33; lean_object* x_34; lean_object* x_35; 
  x_33 = lean_ctor_get(x_27, 1);
  lean_inc(x_33);
  lean_dec(x_27);
  x_34 = lean_ctor_get(x_28, 1);
  lean_inc(x_34);
  lean_dec(x_28);
  x_35 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_35, 0, x_34);
  lean_ctor_set(x_35, 1, x_33);
  return x_35;
  }
  }
  else
  {
  uint8_t x_36; 
  lean_dec(x_28);
  x_36 = !lean_is_exclusive(x_27);
  if (x_36 == 0)
  {
  lean_object* x_37; lean_object* x_38; 
  x_37 = lean_ctor_get(x_27, 0);
  lean_dec(x_37);
  x_38 = lean_ctor_get(x_29, 0);
  lean_inc(x_38);
  lean_dec(x_29);
  lean_ctor_set(x_27, 0, x_38);
  return x_27;
  }
  else
  {
  lean_object* x_39; lean_object* x_40; lean_object* x_41; 
  x_39 = lean_ctor_get(x_27, 1);
  lean_inc(x_39);
  lean_dec(x_27);
  x_40 = lean_ctor_get(x_29, 0);
  lean_inc(x_40);
  lean_dec(x_29);
  x_41 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_41, 0, x_40);
  lean_ctor_set(x_41, 1, x_39);
  return x_41;
  }
  }
  }
  }
  }
  LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_cleanup___spec__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, size_t x_4, size_t x_5, lean_object* x_6) {
  _start:
  {
  uint8_t x_7; 
  x_7 = lean_usize_dec_eq(x_4, x_5);
  if (x_7 == 0)
  {
  lean_object* x_8; lean_object* x_9; lean_object* x_10; size_t x_11; size_t x_12; lean_object* x_13; 
  x_8 = lean_array_uget(x_3, x_4);
  x_9 = lean_ctor_get(x_8, 1);
  lean_inc(x_9);
  x_10 = l_Lean_Expr_fvarId_x21(x_9);
  x_11 = 1;
  x_12 = lean_usize_add(x_4, x_11);
  x_13 = l_Std_RBNode_findCore___at_Lean_Meta_ToHide_isMarked___spec__1(x_2, x_10);
  lean_dec(x_10);
  if (lean_obj_tag(x_13) == 0)
  {
  lean_dec(x_8);
  x_4 = x_12;
  goto _start;
  }
  else
  {
  lean_object* x_15; 
  lean_dec(x_13);
  x_15 = lean_array_push(x_6, x_8);
  x_4 = x_12;
  x_6 = x_15;
  goto _start;
  }
  }
  else
  {
  return x_6;
  }
  }
  }
  LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_cleanup___spec__6___at_Lean_Meta_cleanup___spec__7(lean_object* x_1, lean_object* x_2, size_t x_3, size_t x_4, lean_object* x_5) {
  _start:
  {
  uint8_t x_6; 
  x_6 = lean_usize_dec_eq(x_3, x_4);
  if (x_6 == 0)
  {
  lean_object* x_7; lean_object* x_8; lean_object* x_9; size_t x_10; size_t x_11; lean_object* x_12; 
  x_7 = lean_array_uget(x_2, x_3);
  x_8 = lean_ctor_get(x_7, 1);
  lean_inc(x_8);
  x_9 = l_Lean_Expr_fvarId_x21(x_8);
  x_10 = 1;
  x_11 = lean_usize_add(x_3, x_10);
  x_12 = l_Std_RBNode_findCore___at_Lean_Meta_ToHide_isMarked___spec__1(x_1, x_9);
  lean_dec(x_9);
  if (lean_obj_tag(x_12) == 0)
  {
  lean_dec(x_7);
  x_3 = x_11;
  goto _start;
  }
  else
  {
  lean_object* x_14; 
  lean_dec(x_12);
  x_14 = lean_array_push(x_5, x_7);
  x_3 = x_11;
  x_5 = x_14;
  goto _start;
  }
  }
  else
  {
  return x_5;
  }
  }
  }
  static lean_object* _init_l_Lean_Meta_cleanup___lambda__1___closed__1() {
  _start:
  {
  lean_object* x_1; uint8_t x_2; lean_object* x_3; lean_object* x_4; 
  x_1 = lean_box(0);
  x_2 = 0;
  x_3 = lean_box(x_2);
  x_4 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_4, 0, x_3);
  lean_ctor_set(x_4, 1, x_1);
  return x_4;
  }
  }
  static lean_object* _init_l_Lean_Meta_cleanup___lambda__1___closed__2() {
  _start:
  {
  lean_object* x_1; lean_object* x_2; 
  x_1 = lean_unsigned_to_nat(0u);
  x_2 = lean_mk_empty_array_with_capacity(x_1);
  return x_2;
  }
  }
  LEAN_EXPORT lean_object* l_Lean_Meta_cleanup___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; 
  lean_inc(x_4);
  lean_inc(x_1);
  x_8 = l_Lean_Meta_checkNotAssigned(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
  if (lean_obj_tag(x_8) == 0)
  {
  lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
  x_9 = lean_ctor_get(x_8, 1);
  lean_inc(x_9);
  lean_dec(x_8);
  x_10 = lean_st_ref_get(x_6, x_9);
  x_11 = lean_ctor_get(x_10, 1);
  lean_inc(x_11);
  lean_dec(x_10);
  x_12 = l_Lean_Meta_cleanup___lambda__1___closed__1;
  x_13 = lean_st_mk_ref(x_12, x_11);
  x_14 = lean_ctor_get(x_13, 0);
  lean_inc(x_14);
  x_15 = lean_ctor_get(x_13, 1);
  lean_inc(x_15);
  lean_dec(x_13);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  lean_inc(x_3);
  lean_inc(x_14);
  lean_inc(x_1);
  x_16 = l_Lean_Meta_cleanup_collectUsed(x_1, x_14, x_3, x_4, x_5, x_6, x_15);
  if (lean_obj_tag(x_16) == 0)
  {
  lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; uint8_t x_60; lean_object* x_61; 
  x_17 = lean_ctor_get(x_16, 0);
  lean_inc(x_17);
  x_18 = lean_ctor_get(x_16, 1);
  lean_inc(x_18);
  lean_dec(x_16);
  x_19 = lean_st_ref_get(x_6, x_18);
  x_20 = lean_ctor_get(x_19, 1);
  lean_inc(x_20);
  lean_dec(x_19);
  x_21 = lean_st_ref_get(x_14, x_20);
  lean_dec(x_14);
  x_22 = lean_ctor_get(x_21, 1);
  lean_inc(x_22);
  lean_dec(x_21);
  x_23 = lean_ctor_get(x_3, 1);
  lean_inc(x_23);
  x_24 = lean_ctor_get(x_23, 1);
  lean_inc(x_24);
  x_25 = l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___closed__2;
  lean_inc(x_4);
  lean_inc(x_17);
  x_26 = l_Std_PersistentArray_forIn___at_Lean_Meta_cleanup___spec__1(x_25, x_17, x_24, x_23, x_3, x_4, x_5, x_6, x_22);
  x_27 = lean_ctor_get(x_26, 0);
  lean_inc(x_27);
  x_28 = lean_ctor_get(x_26, 1);
  lean_inc(x_28);
  lean_dec(x_26);
  x_55 = l_Lean_Meta_getLocalInstances(x_3, x_4, x_5, x_6, x_28);
  x_56 = lean_ctor_get(x_55, 0);
  lean_inc(x_56);
  x_57 = lean_ctor_get(x_55, 1);
  lean_inc(x_57);
  lean_dec(x_55);
  x_58 = lean_array_get_size(x_56);
  x_59 = lean_unsigned_to_nat(0u);
  x_60 = lean_nat_dec_lt(x_59, x_58);
  lean_inc(x_1);
  x_61 = l_Lean_Meta_getMVarType(x_1, x_3, x_4, x_5, x_6, x_57);
  if (x_60 == 0)
  {
  lean_dec(x_58);
  lean_dec(x_56);
  lean_dec(x_17);
  if (lean_obj_tag(x_61) == 0)
  {
  lean_object* x_62; lean_object* x_63; lean_object* x_64; 
  x_62 = lean_ctor_get(x_61, 0);
  lean_inc(x_62);
  x_63 = lean_ctor_get(x_61, 1);
  lean_inc(x_63);
  lean_dec(x_61);
  x_64 = l_Lean_Meta_cleanup___lambda__1___closed__2;
  x_29 = x_64;
  x_30 = x_62;
  x_31 = x_63;
  goto block_54;
  }
  else
  {
  uint8_t x_65; 
  lean_dec(x_27);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_1);
  x_65 = !lean_is_exclusive(x_61);
  if (x_65 == 0)
  {
  return x_61;
  }
  else
  {
  lean_object* x_66; lean_object* x_67; lean_object* x_68; 
  x_66 = lean_ctor_get(x_61, 0);
  x_67 = lean_ctor_get(x_61, 1);
  lean_inc(x_67);
  lean_inc(x_66);
  lean_dec(x_61);
  x_68 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_68, 0, x_66);
  lean_ctor_set(x_68, 1, x_67);
  return x_68;
  }
  }
  }
  else
  {
  uint8_t x_69; 
  x_69 = lean_nat_dec_le(x_58, x_58);
  if (x_69 == 0)
  {
  lean_dec(x_58);
  lean_dec(x_56);
  lean_dec(x_17);
  if (lean_obj_tag(x_61) == 0)
  {
  lean_object* x_70; lean_object* x_71; lean_object* x_72; 
  x_70 = lean_ctor_get(x_61, 0);
  lean_inc(x_70);
  x_71 = lean_ctor_get(x_61, 1);
  lean_inc(x_71);
  lean_dec(x_61);
  x_72 = l_Lean_Meta_cleanup___lambda__1___closed__2;
  x_29 = x_72;
  x_30 = x_70;
  x_31 = x_71;
  goto block_54;
  }
  else
  {
  uint8_t x_73; 
  lean_dec(x_27);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_1);
  x_73 = !lean_is_exclusive(x_61);
  if (x_73 == 0)
  {
  return x_61;
  }
  else
  {
  lean_object* x_74; lean_object* x_75; lean_object* x_76; 
  x_74 = lean_ctor_get(x_61, 0);
  x_75 = lean_ctor_get(x_61, 1);
  lean_inc(x_75);
  lean_inc(x_74);
  lean_dec(x_61);
  x_76 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_76, 0, x_74);
  lean_ctor_set(x_76, 1, x_75);
  return x_76;
  }
  }
  }
  else
  {
  if (lean_obj_tag(x_61) == 0)
  {
  lean_object* x_77; lean_object* x_78; size_t x_79; size_t x_80; lean_object* x_81; lean_object* x_82; 
  x_77 = lean_ctor_get(x_61, 0);
  lean_inc(x_77);
  x_78 = lean_ctor_get(x_61, 1);
  lean_inc(x_78);
  lean_dec(x_61);
  x_79 = 0;
  x_80 = lean_usize_of_nat(x_58);
  lean_dec(x_58);
  x_81 = l_Lean_Meta_cleanup___lambda__1___closed__2;
  x_82 = l_Array_foldlMUnsafe_fold___at_Lean_Meta_cleanup___spec__6___at_Lean_Meta_cleanup___spec__7(x_17, x_56, x_79, x_80, x_81);
  lean_dec(x_56);
  lean_dec(x_17);
  x_29 = x_82;
  x_30 = x_77;
  x_31 = x_78;
  goto block_54;
  }
  else
  {
  uint8_t x_83; 
  lean_dec(x_58);
  lean_dec(x_56);
  lean_dec(x_27);
  lean_dec(x_17);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_1);
  x_83 = !lean_is_exclusive(x_61);
  if (x_83 == 0)
  {
  return x_61;
  }
  else
  {
  lean_object* x_84; lean_object* x_85; lean_object* x_86; 
  x_84 = lean_ctor_get(x_61, 0);
  x_85 = lean_ctor_get(x_61, 1);
  lean_inc(x_85);
  lean_inc(x_84);
  lean_dec(x_61);
  x_86 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_86, 0, x_84);
  lean_ctor_set(x_86, 1, x_85);
  return x_86;
  }
  }
  }
  }
  block_54:
  {
  lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
  lean_inc(x_4);
  x_32 = l_Lean_Meta_instantiateMVars(x_30, x_3, x_4, x_5, x_6, x_31);
  x_33 = lean_ctor_get(x_32, 0);
  lean_inc(x_33);
  x_34 = lean_ctor_get(x_32, 1);
  lean_inc(x_34);
  lean_dec(x_32);
  lean_inc(x_1);
  x_35 = l_Lean_Meta_getMVarTag(x_1, x_3, x_4, x_5, x_6, x_34);
  if (lean_obj_tag(x_35) == 0)
  {
  lean_object* x_36; lean_object* x_37; uint8_t x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint8_t x_44; 
  x_36 = lean_ctor_get(x_35, 0);
  lean_inc(x_36);
  x_37 = lean_ctor_get(x_35, 1);
  lean_inc(x_37);
  lean_dec(x_35);
  x_38 = 2;
  x_39 = lean_unsigned_to_nat(0u);
  x_40 = l_Lean_Meta_mkFreshExprMVarAt(x_27, x_29, x_33, x_38, x_36, x_39, x_3, x_4, x_5, x_6, x_37);
  x_41 = lean_ctor_get(x_40, 0);
  lean_inc(x_41);
  x_42 = lean_ctor_get(x_40, 1);
  lean_inc(x_42);
  lean_dec(x_40);
  lean_inc(x_41);
  x_43 = l_Lean_Meta_assignExprMVar(x_1, x_41, x_3, x_4, x_5, x_6, x_42);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  x_44 = !lean_is_exclusive(x_43);
  if (x_44 == 0)
  {
  lean_object* x_45; lean_object* x_46; 
  x_45 = lean_ctor_get(x_43, 0);
  lean_dec(x_45);
  x_46 = l_Lean_Expr_mvarId_x21(x_41);
  lean_dec(x_41);
  lean_ctor_set(x_43, 0, x_46);
  return x_43;
  }
  else
  {
  lean_object* x_47; lean_object* x_48; lean_object* x_49; 
  x_47 = lean_ctor_get(x_43, 1);
  lean_inc(x_47);
  lean_dec(x_43);
  x_48 = l_Lean_Expr_mvarId_x21(x_41);
  lean_dec(x_41);
  x_49 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_49, 0, x_48);
  lean_ctor_set(x_49, 1, x_47);
  return x_49;
  }
  }
  else
  {
  uint8_t x_50; 
  lean_dec(x_33);
  lean_dec(x_29);
  lean_dec(x_27);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_1);
  x_50 = !lean_is_exclusive(x_35);
  if (x_50 == 0)
  {
  return x_35;
  }
  else
  {
  lean_object* x_51; lean_object* x_52; lean_object* x_53; 
  x_51 = lean_ctor_get(x_35, 0);
  x_52 = lean_ctor_get(x_35, 1);
  lean_inc(x_52);
  lean_inc(x_51);
  lean_dec(x_35);
  x_53 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_53, 0, x_51);
  lean_ctor_set(x_53, 1, x_52);
  return x_53;
  }
  }
  }
  }
  else
  {
  uint8_t x_87; 
  lean_dec(x_14);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_1);
  x_87 = !lean_is_exclusive(x_16);
  if (x_87 == 0)
  {
  return x_16;
  }
  else
  {
  lean_object* x_88; lean_object* x_89; lean_object* x_90; 
  x_88 = lean_ctor_get(x_16, 0);
  x_89 = lean_ctor_get(x_16, 1);
  lean_inc(x_89);
  lean_inc(x_88);
  lean_dec(x_16);
  x_90 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_90, 0, x_88);
  lean_ctor_set(x_90, 1, x_89);
  return x_90;
  }
  }
  }
  else
  {
  uint8_t x_91; 
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_1);
  x_91 = !lean_is_exclusive(x_8);
  if (x_91 == 0)
  {
  return x_8;
  }
  else
  {
  lean_object* x_92; lean_object* x_93; lean_object* x_94; 
  x_92 = lean_ctor_get(x_8, 0);
  x_93 = lean_ctor_get(x_8, 1);
  lean_inc(x_93);
  lean_inc(x_92);
  lean_dec(x_8);
  x_94 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_94, 0, x_92);
  lean_ctor_set(x_94, 1, x_93);
  return x_94;
  }
  }
  }
  }
  static lean_object* _init_l_Lean_Meta_cleanup___closed__1() {
  _start:
  {
  lean_object* x_1; 
  x_1 = lean_mk_string("cleanup");
  return x_1;
  }
  }
  static lean_object* _init_l_Lean_Meta_cleanup___closed__2() {
  _start:
  {
  lean_object* x_1; lean_object* x_2; lean_object* x_3; 
  x_1 = lean_box(0);
  x_2 = l_Lean_Meta_cleanup___closed__1;
  x_3 = lean_name_mk_string(x_1, x_2);
  return x_3;
  }
  }
  LEAN_EXPORT lean_object* l_Lean_Meta_cleanup(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
  _start:
  {
  lean_object* x_7; lean_object* x_8; lean_object* x_9; 
  x_7 = l_Lean_Meta_cleanup___closed__2;
  lean_inc(x_1);
  x_8 = lean_alloc_closure((void*)(l_Lean_Meta_cleanup___lambda__1), 7, 2);
  lean_closure_set(x_8, 0, x_1);
  lean_closure_set(x_8, 1, x_7);
  x_9 = l_Lean_Meta_withMVarContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__1___rarg(x_1, x_8, x_2, x_3, x_4, x_5, x_6);
  return x_9;
  }
  }
  LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
  _start:
  {
  size_t x_14; size_t x_15; lean_object* x_16; 
  x_14 = lean_unbox_usize(x_6);
  lean_dec(x_6);
  x_15 = lean_unbox_usize(x_7);
  lean_dec(x_7);
  x_16 = l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup___spec__3(x_1, x_2, x_3, x_4, x_5, x_14, x_15, x_8, x_9, x_10, x_11, x_12, x_13);
  lean_dec(x_12);
  lean_dec(x_11);
  lean_dec(x_9);
  lean_dec(x_5);
  lean_dec(x_3);
  return x_16;
  }
  }
  LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup___spec__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
  _start:
  {
  size_t x_13; size_t x_14; lean_object* x_15; 
  x_13 = lean_unbox_usize(x_5);
  lean_dec(x_5);
  x_14 = lean_unbox_usize(x_6);
  lean_dec(x_6);
  x_15 = l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup___spec__4(x_1, x_2, x_3, x_4, x_13, x_14, x_7, x_8, x_9, x_10, x_11, x_12);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_4);
  lean_dec(x_2);
  lean_dec(x_1);
  return x_15;
  }
  }
  LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_Meta_cleanup___spec__2___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; 
  x_8 = l_Std_PersistentArray_forInAux___at_Lean_Meta_cleanup___spec__2___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  return x_8;
  }
  }
  LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_Meta_cleanup___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
  _start:
  {
  lean_object* x_11; 
  x_11 = l_Std_PersistentArray_forInAux___at_Lean_Meta_cleanup___spec__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_6);
  lean_dec(x_3);
  return x_11;
  }
  }
  LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup___spec__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
  _start:
  {
  size_t x_13; size_t x_14; lean_object* x_15; 
  x_13 = lean_unbox_usize(x_5);
  lean_dec(x_5);
  x_14 = lean_unbox_usize(x_6);
  lean_dec(x_6);
  x_15 = l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup___spec__5(x_1, x_2, x_3, x_4, x_13, x_14, x_7, x_8, x_9, x_10, x_11, x_12);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_4);
  lean_dec(x_2);
  lean_dec(x_1);
  return x_15;
  }
  }
  LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_cleanup___spec__1___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; 
  x_8 = l_Std_PersistentArray_forIn___at_Lean_Meta_cleanup___spec__1___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  return x_8;
  }
  }
  LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_cleanup___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
  _start:
  {
  lean_object* x_10; 
  x_10 = l_Std_PersistentArray_forIn___at_Lean_Meta_cleanup___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_5);
  return x_10;
  }
  }
  LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_cleanup___spec__6___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
  _start:
  {
  size_t x_7; size_t x_8; lean_object* x_9; 
  x_7 = lean_unbox_usize(x_4);
  lean_dec(x_4);
  x_8 = lean_unbox_usize(x_5);
  lean_dec(x_5);
  x_9 = l_Array_foldlMUnsafe_fold___at_Lean_Meta_cleanup___spec__6(x_1, x_2, x_3, x_7, x_8, x_6);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  return x_9;
  }
  }
  LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_cleanup___spec__6___at_Lean_Meta_cleanup___spec__7___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
  _start:
  {
  size_t x_6; size_t x_7; lean_object* x_8; 
  x_6 = lean_unbox_usize(x_3);
  lean_dec(x_3);
  x_7 = lean_unbox_usize(x_4);
  lean_dec(x_4);
  x_8 = l_Array_foldlMUnsafe_fold___at_Lean_Meta_cleanup___spec__6___at_Lean_Meta_cleanup___spec__7(x_1, x_2, x_6, x_7, x_5);
  lean_dec(x_2);
  lean_dec(x_1);
  return x_8;
  }
  }
  lean_object* initialize_Init(uint8_t builtin, lean_object*);
  lean_object* initialize_Lean_Meta_CollectFVars(uint8_t builtin, lean_object*);
  lean_object* initialize_Lean_Meta_Tactic_Clear(uint8_t builtin, lean_object*);
  static bool _G_initialized = false;
  LEAN_EXPORT lean_object* initialize_Lean_Meta_Tactic_Cleanup(uint8_t builtin, lean_object* w) {
  lean_object * res;
  if (_G_initialized) return lean_io_result_mk_ok(lean_box(0));
  _G_initialized = true;
  res = initialize_Init(builtin, lean_io_mk_world());
  if (lean_io_result_is_error(res)) return res;
  lean_dec_ref(res);
  res = initialize_Lean_Meta_CollectFVars(builtin, lean_io_mk_world());
  if (lean_io_result_is_error(res)) return res;
  lean_dec_ref(res);
  res = initialize_Lean_Meta_Tactic_Clear(builtin, lean_io_mk_world());
  if (lean_io_result_is_error(res)) return res;
  lean_dec_ref(res);
  l_Lean_Meta_cleanup_addUsedFVars___closed__1 = _init_l_Lean_Meta_cleanup_addUsedFVars___closed__1();
  lean_mark_persistent(l_Lean_Meta_cleanup_addUsedFVars___closed__1);
  l_Lean_Meta_cleanup_addUsedFVars___closed__2 = _init_l_Lean_Meta_cleanup_addUsedFVars___closed__2();
  lean_mark_persistent(l_Lean_Meta_cleanup_addUsedFVars___closed__2);
  l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___closed__1 = _init_l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___closed__1();
  lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___closed__1);
  l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___closed__2 = _init_l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___closed__2();
  lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___closed__2);
  l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___closed__3 = _init_l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___closed__3();
  lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Meta_cleanup_collectPropsStep___spec__4___closed__3);
  l_Lean_Meta_cleanup___lambda__1___closed__1 = _init_l_Lean_Meta_cleanup___lambda__1___closed__1();
  lean_mark_persistent(l_Lean_Meta_cleanup___lambda__1___closed__1);
  l_Lean_Meta_cleanup___lambda__1___closed__2 = _init_l_Lean_Meta_cleanup___lambda__1___closed__2();
  lean_mark_persistent(l_Lean_Meta_cleanup___lambda__1___closed__2);
  l_Lean_Meta_cleanup___closed__1 = _init_l_Lean_Meta_cleanup___closed__1();
  lean_mark_persistent(l_Lean_Meta_cleanup___closed__1);
  l_Lean_Meta_cleanup___closed__2 = _init_l_Lean_Meta_cleanup___closed__2();
  lean_mark_persistent(l_Lean_Meta_cleanup___closed__2);
  return lean_io_result_mk_ok(lean_box(0));
  }
  #ifdef __cplusplus
  }
  #endif
  