diff --git a/flang/lib/Lower/ConvertExpr.cpp b/flang/lib/Lower/ConvertExpr.cpp
--- a/flang/lib/Lower/ConvertExpr.cpp
+++ b/flang/lib/Lower/ConvertExpr.cpp
@@ -1903,6 +1903,9 @@
           loc, fldTy, name, recTy, fir::getTypeParams(obj)));
       ty = recTy.getType(name);
     }
+    // If parent component is referred then it has no coordinate argument.
+    if (coorArgs.size() == 0)
+      return obj;
     ty = builder.getRefType(ty);
     return fir::factory::componentToExtendedValue(
         builder, loc,
@@ -7743,16 +7746,115 @@
       .genMutableBoxValue(expr);
 }
 
+bool isParentComponent(const Fortran::lower::SomeExpr &expr) {
+  if (const Fortran::semantics::Symbol * symbol{GetLastSymbol(expr)}) {
+    if (symbol->test(Fortran::semantics::Symbol::Flag::ParentComp))
+      return true;
+  }
+  return false;
+}
+
+template <typename OP>
+mlir::Value createSliceForParentComp(fir::FirOpBuilder &builder,
+                                     mlir::Location loc, OP boxOp,
+                                     fir::ExtendedValue box, mlir::Value field,
+                                     bool isArray) {
+  if (boxOp.getSlice()) {
+    mlir::Value existingSlice = boxOp.getSlice();
+    fir::SliceOp sliceOp =
+        mlir::dyn_cast<fir::SliceOp>(existingSlice.getDefiningOp());
+    llvm::SmallVector<mlir::Value> fields = sliceOp.getFields();
+    fields.push_back(field);
+    return builder.createSlice(loc, box, sliceOp.getTriples(), fields);
+  }
+  if (isArray)
+    return builder.createSlice(loc, box, {}, {field});
+  return {};
+}
+
+// Handling special case where the last component is referring to the
+// parent component.
+//
+// TYPE t
+//   integer :: a
+// END TYPE
+// TYPE, EXTENDS(t) :: t2
+//   integer :: b
+// END TYPE
+// TYPE(t2) :: y(2)
+// TYPE(t2) :: a
+// y(:)%t  ! just need to update the box with a slice pointing to the first
+//         ! component of `t`.
+// a%t     ! simple conversion to TYPE(t).
+fir::ExtendedValue
+updateBoxForParentComponent(Fortran::lower::AbstractConverter &converter,
+                            fir::ExtendedValue box,
+                            const Fortran::lower::SomeExpr &expr) {
+  mlir::Location loc = converter.getCurrentLocation();
+  auto &builder = converter.getFirOpBuilder();
+  mlir::Value boxBase = fir::getBase(box);
+  mlir::Operation *op = boxBase.getDefiningOp();
+  fir::BoxType boxTy = boxBase.getType().dyn_cast<fir::BoxType>();
+  mlir::Type boxEleTy = fir::unwrapAllRefAndSeqType(boxTy.getEleTy());
+  auto originalRecTy = boxEleTy.dyn_cast<fir::RecordType>();
+  mlir::Type actualTy = converter.genType(expr);
+  mlir::Type eleTy = fir::unwrapAllRefAndSeqType(actualTy);
+  auto parentCompTy = eleTy.dyn_cast<fir::RecordType>();
+  assert(parentCompTy && "expecting derived-type");
+
+  assert(
+      (mlir::dyn_cast<fir::EmboxOp>(op) || mlir::dyn_cast<fir::ReboxOp>(op)) &&
+      "expecting fir.embox or fir.rebox operation");
+
+  if (parentCompTy.getTypeList().empty())
+    TODO(loc, "parent component with no component");
+
+  // Creating a slice with a path to the first component of the parent component
+  // of the extended type.
+  auto firstComponent = parentCompTy.getTypeList().front();
+  auto fieldTy = fir::FieldType::get(boxTy.getContext());
+  auto field = builder.create<fir::FieldIndexOp>(
+      loc, fieldTy, firstComponent.first, originalRecTy,
+      /*typeParams=*/mlir::ValueRange{});
+
+  if (auto embox = mlir::dyn_cast<fir::EmboxOp>(op)) {
+    mlir::Value slice = createSliceForParentComp(builder, loc, embox, box,
+                                                 field, expr.Rank() > 0);
+    auto newBox = builder.create<fir::EmboxOp>(
+        loc, fir::BoxType::get(actualTy), embox.getMemref(), embox.getShape(),
+        slice, embox.getTypeparams());
+    return fir::substBase(box, fir::getBase(newBox));
+  }
+  if (auto rebox = mlir::dyn_cast<fir::ReboxOp>(op)) {
+    mlir::Value slice = createSliceForParentComp(builder, loc, rebox, box,
+                                                 field, expr.Rank() > 0);
+    auto newBox =
+        builder.create<fir::ReboxOp>(loc, fir::BoxType::get(actualTy),
+                                     rebox.getBox(), rebox.getShape(), slice);
+    return fir::substBase(box, fir::getBase(newBox));
+  }
+  return box;
+}
+
 fir::ExtendedValue Fortran::lower::createBoxValue(
     mlir::Location loc, Fortran::lower::AbstractConverter &converter,
     const Fortran::lower::SomeExpr &expr, Fortran::lower::SymMap &symMap,
     Fortran::lower::StatementContext &stmtCtx) {
   if (expr.Rank() > 0 && Fortran::evaluate::IsVariable(expr) &&
-      !Fortran::evaluate::HasVectorSubscript(expr))
-    return Fortran::lower::createSomeArrayBox(converter, expr, symMap, stmtCtx);
+      !Fortran::evaluate::HasVectorSubscript(expr)) {
+    fir::ExtendedValue result =
+        Fortran::lower::createSomeArrayBox(converter, expr, symMap, stmtCtx);
+    if (isParentComponent(expr))
+      result = updateBoxForParentComponent(converter, result, expr);
+    return result;
+  }
   fir::ExtendedValue addr = Fortran::lower::createSomeExtendedAddress(
       loc, converter, expr, symMap, stmtCtx);
-  return fir::BoxValue(converter.getFirOpBuilder().createBox(loc, addr));
+  fir::ExtendedValue result =
+      fir::BoxValue(converter.getFirOpBuilder().createBox(loc, addr));
+  if (isParentComponent(expr))
+    result = updateBoxForParentComponent(converter, result, expr);
+  return result;
 }
 
 mlir::Value Fortran::lower::createSubroutineCall(
diff --git a/flang/test/Lower/parent-component.f90 b/flang/test/Lower/parent-component.f90
new file mode 100644
--- /dev/null
+++ b/flang/test/Lower/parent-component.f90
@@ -0,0 +1,219 @@
+! Test different ways of passing the parent component of an extended
+! derived-type to a subroutine or the runtime.
+
+! RUN: bbc -emit-fir %s -o - | FileCheck %s
+
+program parent_comp
+  type p
+    integer :: a
+  end type
+
+  type, extends(p) :: c
+    integer :: b
+  end type
+
+  type z
+    integer :: k
+    type(c) :: c
+  end type
+
+  type(c) :: t(2) = [ c(11, 21), c(12, 22) ]
+  call init_with_slice()
+  call init_no_slice()
+  call init_allocatable()
+  call init_scalar()
+  call init_assumed(t)
+contains
+
+  subroutine print_scalar(a)
+    type(p), intent(in) :: a
+    print*, a
+  end subroutine
+  ! CHECK-LABEL: func.func @_QFPprint_scalar(%{{.*}}: !fir.ref<!fir.type<_QFTp{a:i32}>> {fir.bindc_name = "a"})
+
+  subroutine print_p(a)
+    type(p), intent(in) :: a(2)
+    print*, a
+  end subroutine
+  ! CHECK-LABEL: func.func @_QFPprint_p(%{{.*}}: !fir.ref<!fir.array<2x!fir.type<_QFTp{a:i32}>>> {fir.bindc_name = "a"})
+
+  subroutine init_with_slice()
+    type(c) :: y(2) = [ c(11, 21), c(12, 22) ]
+    call print_p(y(:)%p)
+    print*,y(:)%p
+  end subroutine
+  ! CHECK-LABEL: func.func @_QFPinit_with_slice()
+  ! CHECK: %[[Y:.*]] = fir.address_of(@_QFinit_with_sliceEy) : !fir.ref<!fir.array<2x!fir.type<_QFTc{a:i32,b:i32}>>>
+  ! CHECK: %[[C2:.*]] = arith.constant 2 : index
+  ! CHECK: %[[C1:.*]] = arith.constant 1 : index
+  ! CHECK: %[[C1_I64:.*]] = arith.constant 1 : i64
+  ! CHECK: %[[STRIDE:.*]] = fir.convert %[[C1_I64]] : (i64) -> index
+  ! CHECK: %[[ADD:.*]] = arith.addi %[[C1]], %[[C2]] : index
+  ! CHECK: %[[UB:.*]] = arith.subi %[[ADD]], %[[C1]] : index
+  ! CHECK: %[[SHAPE:.*]] = fir.shape %[[C2]] : (index) -> !fir.shape<1>
+  ! CHECK: %[[FIELD:.*]] = fir.field_index a, !fir.type<_QFTc{a:i32,b:i32}>
+  ! CHECK: %[[SLICE:.*]] = fir.slice %[[C1]], %[[UB]], %[[STRIDE]] path %[[FIELD]] : (index, index, index, !fir.field) -> !fir.slice<1>
+  ! CHECK: %[[BOX:.*]] = fir.embox %[[Y]](%[[SHAPE]]) [%[[SLICE]]] : (!fir.ref<!fir.array<2x!fir.type<_QFTc{a:i32,b:i32}>>>, !fir.shape<1>, !fir.slice<1>) -> !fir.box<!fir.array<2x!fir.type<_QFTp{a:i32}>>>
+  ! CHECK: %[[BOX_NONE:.*]] = fir.convert %[[BOX]] : (!fir.box<!fir.array<2x!fir.type<_QFTp{a:i32}>>>) -> !fir.box<none>
+  ! CHECK: %[[IS_CONTIGOUS:.*]] = fir.call @_FortranAIsContiguous(%[[BOX_NONE]]) : (!fir.box<none>) -> i1
+  ! CHECK: %[[TEMP:.*]] = fir.if %[[IS_CONTIGOUS]] -> (!fir.heap<!fir.array<2x!fir.type<_QFTp{a:i32}>>>) {
+  ! CHECK: } else {
+  ! CHECK: %{{.*}} = fir.do_loop %{{.*}} = %{{.*}} to %{{.*}} step %{{.*}} unordered iter_args(%{{.*}} = %{{.*}}) -> (!fir.array<2x!fir.type<_QFTp{a:i32}>>)
+  ! CHECK: %{{.*}} = fir.field_index a, !fir.type<_QFTp{a:i32}>
+  ! CHECK-NOT: %{{.*}} = fir.field_index b, !fir.type<_QFTp{a:i32}>
+  ! CHECK: %[[TEMP_CAST:.*]] = fir.convert %[[TEMP]] : (!fir.heap<!fir.array<2x!fir.type<_QFTp{a:i32}>>>) -> !fir.ref<!fir.array<2x!fir.type<_QFTp{a:i32}>>>
+  ! CHECK: fir.call @_QFPprint_p(%[[TEMP_CAST]]) : (!fir.ref<!fir.array<2x!fir.type<_QFTp{a:i32}>>>) -> ()
+
+  ! CHECK-LABEL: %{{.*}} = fir.call @_FortranAioBeginExternalListOutput(%{{.*}}, %{{.*}}, %{{.*}}) : (i32, !fir.ref<i8>, i32) -> !fir.ref<i8>
+  ! CHECK: %[[C1:.*]] = arith.constant 1 : index
+  ! CHECK: %[[C1_I64:.*]] = arith.constant 1 : i64
+  ! CHECK: %[[STRIDE:.*]] = fir.convert %[[C1_I64]] : (i64) -> index
+  ! CHECK: %[[ADD:.*]] = arith.addi %[[C1]], %[[C2]] : index
+  ! CHECK: %[[UB:.*]] = arith.subi %[[ADD]], %[[C1]] : index
+  ! CHECK: %[[SHAPE:.*]] = fir.shape %[[C2]] : (index) -> !fir.shape<1>
+  ! CHECK: %[[FIELD:.*]] = fir.field_index a, !fir.type<_QFTc{a:i32,b:i32}>
+  ! CHECK: %[[SLICE:.*]] = fir.slice %[[C1]], %[[UB]], %[[STRIDE]] path %[[FIELD]] : (index, index, index, !fir.field) -> !fir.slice<1>
+  ! CHECK: %[[BOX:.*]] = fir.embox %[[Y]](%[[SHAPE]]) [%[[SLICE]]] : (!fir.ref<!fir.array<2x!fir.type<_QFTc{a:i32,b:i32}>>>, !fir.shape<1>, !fir.slice<1>) -> !fir.box<!fir.array<2x!fir.type<_QFTp{a:i32}>>>
+  ! CHECK: %[[BOX_NONE:.*]] = fir.convert %[[BOX]] : (!fir.box<!fir.array<2x!fir.type<_QFTp{a:i32}>>>) -> !fir.box<none>
+  ! CHECK: %{{.*}} = fir.call @_FortranAioOutputDescriptor(%{{.*}}, %[[BOX_NONE]]) : (!fir.ref<i8>, !fir.box<none>) -> i1
+
+  subroutine init_no_slice()
+    type(c) :: y(2) = [ c(11, 21), c(12, 22) ]
+    call print_p(y%p)
+    print*,y%p
+  end subroutine
+  ! CHECK-LABEL: func.func @_QFPinit_no_slice()
+  ! CHECK: %[[Y:.*]] = fir.address_of(@_QFinit_no_sliceEy) : !fir.ref<!fir.array<2x!fir.type<_QFTc{a:i32,b:i32}>>>
+  ! CHECK: %[[C2:.*]] = arith.constant 2 : index
+  ! CHECK: %[[SHAPE:.*]] = fir.shape %[[C2]] : (index) -> !fir.shape<1>
+  ! CHECK: %[[FIELD:.*]] = fir.field_index a, !fir.type<_QFTc{a:i32,b:i32}>
+  ! CHECK: %[[C0:.*]] = arith.constant 0 : index
+  ! CHECK: %[[BOX_DIM:.*]]:3 = fir.box_dims %{{.*}}, %[[C0]] : (!fir.box<!fir.array<2x!fir.type<_QFTc{a:i32,b:i32}>>>, index) -> (index, index, index)
+  ! CHECK: %[[C1:.*]] = arith.constant 1 : index
+  ! CHECK: %[[SLICE:.*]] = fir.slice %[[C1]], %[[BOX_DIM]]#1, %[[C1]] path %[[FIELD]] : (index, index, index, !fir.field) -> !fir.slice<1>
+  ! CHECK: %[[BOX:.*]] = fir.embox %[[Y]](%[[SHAPE]]) [%[[SLICE]]] : (!fir.ref<!fir.array<2x!fir.type<_QFTc{a:i32,b:i32}>>>, !fir.shape<1>, !fir.slice<1>) -> !fir.box<!fir.array<2x!fir.type<_QFTp{a:i32}>>>
+  ! CHECK: %[[BOX_NONE:.*]] = fir.convert %[[BOX]] : (!fir.box<!fir.array<2x!fir.type<_QFTp{a:i32}>>>) -> !fir.box<none>
+  ! CHECK: %[[IS_CONTIGOUS:.*]] = fir.call @_FortranAIsContiguous(%[[BOX_NONE]]) : (!fir.box<none>) -> i1
+  ! CHECK: %[[TEMP:.*]] = fir.if %[[IS_CONTIGOUS]] -> (!fir.heap<!fir.array<2x!fir.type<_QFTp{a:i32}>>>) {
+  ! CHECK: } else {
+  ! CHECK: %{{.*}} = fir.do_loop %{{.*}} = %{{.*}} to %{{.*}} step %{{.*}} unordered iter_args(%{{.*}} = %{{.*}}) -> (!fir.array<2x!fir.type<_QFTp{a:i32}>>)
+  ! CHECK: %{{.*}} = fir.field_index a, !fir.type<_QFTp{a:i32}>
+  ! CHECK-NOT: %{{.*}} = fir.field_index b, !fir.type<_QFTp{a:i32}>
+  ! CHECK: %[[TEMP_CAST:.*]] = fir.convert %[[TEMP]] : (!fir.heap<!fir.array<2x!fir.type<_QFTp{a:i32}>>>) -> !fir.ref<!fir.array<2x!fir.type<_QFTp{a:i32}>>>
+  ! CHECK: fir.call @_QFPprint_p(%[[TEMP_CAST]]) : (!fir.ref<!fir.array<2x!fir.type<_QFTp{a:i32}>>>) -> ()
+
+  ! CHECK-LABEL: %{{.*}} = fir.call @_FortranAioBeginExternalListOutput(%{{.*}}, %{{.*}}, %{{.*}}) : (i32, !fir.ref<i8>, i32) -> !fir.ref<i8>
+  ! CHECK: %[[SHAPE:.*]] = fir.shape %[[C2]] : (index) -> !fir.shape<1>
+  ! CHECK: %[[FIELD:.*]] = fir.field_index a, !fir.type<_QFTc{a:i32,b:i32}>
+  ! CHECK: %[[C0:.*]] = arith.constant 0 : index
+  ! CHECK: %[[BOX_DIMS:.*]]:3 = fir.box_dims %{{.*}}, %[[C0]] : (!fir.box<!fir.array<2x!fir.type<_QFTc{a:i32,b:i32}>>>, index) -> (index, index, index)
+  ! CHECK: %[[C1:.*]] = arith.constant 1 : index
+  ! CHECK: %[[SLICE:.*]] = fir.slice %[[C1]], %[[BOX_DIMS]]#1, %[[C1]] path %[[FIELD]] : (index, index, index, !fir.field) -> !fir.slice<1>
+  ! CHECK: %[[BOX:.*]] = fir.embox %[[Y]](%[[SHAPE]]) [%[[SLICE]]] : (!fir.ref<!fir.array<2x!fir.type<_QFTc{a:i32,b:i32}>>>, !fir.shape<1>, !fir.slice<1>) -> !fir.box<!fir.array<2x!fir.type<_QFTp{a:i32}>>>
+  ! CHECK: %[[BOX_NONE:.*]] = fir.convert %[[BOX]] : (!fir.box<!fir.array<2x!fir.type<_QFTp{a:i32}>>>) -> !fir.box<none>
+  ! CHECK: %{{.*}} = fir.call @_FortranAioOutputDescriptor(%{{.*}}, %[[BOX_NONE]]) : (!fir.ref<i8>, !fir.box<none>) -> i1
+
+  subroutine init_allocatable()
+    type(c), allocatable :: y(:)
+    allocate(y(2))
+    y(1) = c(11, 21)
+    y(2) = c(12, 22)
+    call print_p(y%p)
+    print*,y%p
+  end subroutine
+
+  ! CHECK-LABEL: func.func @_QFPinit_allocatable()
+  ! CHECK: %[[ALLOC:.*]] = fir.alloca !fir.heap<!fir.array<?x!fir.type<_QFTc{a:i32,b:i32}>>> {uniq_name = "_QFinit_allocatableEy.addr"}
+  ! CHECK: %[[LB0:.*]] = fir.alloca index {uniq_name = "_QFinit_allocatableEy.lb0"}
+  ! CHECK: %[[EXT0:.*]] = fir.alloca index {uniq_name = "_QFinit_allocatableEy.ext0"}
+  ! CHECK-COUNT-6: %{{.*}} = fir.field_index a, !fir.type<_QFTc{a:i32,b:i32}>
+  ! CHECK: %[[LOAD_LB0:.*]] = fir.load %[[LB0]] : !fir.ref<index>
+  ! CHECK: %[[LOAD_EXT0:.*]] = fir.load %[[EXT0]] : !fir.ref<index>
+  ! CHECK: %[[MEM:.*]] = fir.load %[[ALLOC]] : !fir.ref<!fir.heap<!fir.array<?x!fir.type<_QFTc{a:i32,b:i32}>>>>
+  ! CHECK: %[[SHAPE_SHIFT:.*]] = fir.shape_shift %[[LOAD_LB0]], %[[LOAD_EXT0]] : (index, index) -> !fir.shapeshift<1>
+  ! CHECK: %[[FIELD:.*]] = fir.field_index a, !fir.type<_QFTc{a:i32,b:i32}>
+  ! CHECK: %[[C0:.*]] = arith.constant 0 : index
+  ! CHECK: %[[BOX_DIMS:.*]]:3 = fir.box_dims %{{.*}}, %[[C0]] : (!fir.box<!fir.array<?x!fir.type<_QFTc{a:i32,b:i32}>>>, index) -> (index, index, index)
+  ! CHECK: %[[C1:.*]] = arith.constant 1 : index
+  ! CHECK: %[[SLICE:.*]] = fir.slice %[[C1]], %[[BOX_DIMS]]#1, %[[C1]] path %[[FIELD]] : (index, index, index, !fir.field) -> !fir.slice<1>
+  ! CHECK: %[[BOX:.*]] = fir.embox %[[MEM]](%[[SHAPE_SHIFT]]) [%[[SLICE]]] : (!fir.heap<!fir.array<?x!fir.type<_QFTc{a:i32,b:i32}>>>, !fir.shapeshift<1>, !fir.slice<1>) -> !fir.box<!fir.array<?x!fir.type<_QFTp{a:i32}>>>
+  ! CHECK: %[[BOX_NONE:.*]] = fir.convert %[[BOX]] : (!fir.box<!fir.array<?x!fir.type<_QFTp{a:i32}>>>) -> !fir.box<none> 
+  ! CHECK: %[[IS_CONTIGOUS:.*]] = fir.call @_FortranAIsContiguous(%[[BOX_NONE]]) : (!fir.box<none>) -> i1
+  ! CHECK: %[[TEMP:.*]] = fir.if %[[IS_CONTIGOUS]] -> (!fir.heap<!fir.array<?x!fir.type<_QFTp{a:i32}>>>) {
+  ! CHECK: } else {
+  ! CHECK: %{{.*}} = fir.do_loop %{{.*}} = %{{.*}} to %{{.*}} step %{{.*}} unordered iter_args(%{{.*}} = %{{.*}}) -> (!fir.array<?x!fir.type<_QFTp{a:i32}>>)
+  ! CHECK: %{{.*}} = fir.field_index a, !fir.type<_QFTp{a:i32}>
+  ! CHECK-NOT: %{{.*}} = fir.field_index b, !fir.type<_QFTp{a:i32}>
+  ! CHECK: %[[TEMP_CAST:.*]] = fir.convert %[[TEMP]] : (!fir.heap<!fir.array<?x!fir.type<_QFTp{a:i32}>>>) -> !fir.ref<!fir.array<2x!fir.type<_QFTp{a:i32}>>>
+  ! CHECK: fir.call @_QFPprint_p(%[[TEMP_CAST]]) : (!fir.ref<!fir.array<2x!fir.type<_QFTp{a:i32}>>>) -> ()
+
+  ! CHECK-LABEL: %{{.*}} = fir.call @_FortranAioBeginExternalListOutput(%{{.*}}, %{{.*}}, %{{.*}}) : (i32, !fir.ref<i8>, i32) -> !fir.ref<i8>
+  ! CHECK: %[[LOAD_LB0:.*]] = fir.load %[[LB0]] : !fir.ref<index>
+  ! CHECK: %[[LOAD_EXT0:.*]] = fir.load %[[EXT0]] : !fir.ref<index>
+  ! CHECK: %[[LOAD_ALLOC:.*]] = fir.load %[[ALLOC]] : !fir.ref<!fir.heap<!fir.array<?x!fir.type<_QFTc{a:i32,b:i32}>>>>
+  ! CHECK: %[[SHAPE_SHIFT:.*]] = fir.shape_shift %[[LOAD_LB0]], %[[LOAD_EXT0]] : (index, index) -> !fir.shapeshift<1>
+  ! CHECK: %[[FIELD:.*]] = fir.field_index a, !fir.type<_QFTc{a:i32,b:i32}>
+  ! CHECK: %[[C0:.*]] = arith.constant 0 : index
+  ! CHECK: %[[BOX_DIMS:.*]]:3 = fir.box_dims %{{.*}}, %[[C0]] : (!fir.box<!fir.array<?x!fir.type<_QFTc{a:i32,b:i32}>>>, index) -> (index, index, index)
+  ! CHECK: %[[C1:.*]] = arith.constant 1 : index
+  ! CHECK: %[[SLICE:.*]] = fir.slice %[[C1]], %[[BOX_DIMS]]#1, %[[C1]] path %[[FIELD]] : (index, index, index, !fir.field) -> !fir.slice<1>
+  ! CHECK: %[[BOX:.*]] = fir.embox %[[LOAD_ALLOC]](%[[SHAPE_SHIFT]]) [%[[SLICE]]] : (!fir.heap<!fir.array<?x!fir.type<_QFTc{a:i32,b:i32}>>>, !fir.shapeshift<1>, !fir.slice<1>) -> !fir.box<!fir.array<?x!fir.type<_QFTp{a:i32}>>>
+  ! CHECK: %[[BOX_NONE:.*]] = fir.convert %[[BOX]] : (!fir.box<!fir.array<?x!fir.type<_QFTp{a:i32}>>>) -> !fir.box<none>
+  ! CHECK: %{{.*}} = fir.call @_FortranAioOutputDescriptor(%{{.*}}, %[[BOX_NONE]]) : (!fir.ref<i8>, !fir.box<none>) -> i1
+
+  subroutine init_scalar()
+    type(c) :: s = c(11, 21)
+    call print_scalar(s%p)
+    print*,s%p
+  end subroutine
+
+  ! CHECK-LABEL: func.func @_QFPinit_scalar()
+  ! CHECK: %[[S:.*]] = fir.address_of(@_QFinit_scalarEs) : !fir.ref<!fir.type<_QFTc{a:i32,b:i32}>>
+  ! CHECK: %[[CAST:.*]] = fir.convert %[[S]] : (!fir.ref<!fir.type<_QFTc{a:i32,b:i32}>>) -> !fir.ref<!fir.type<_QFTp{a:i32}>>
+  ! CHECK: fir.call @_QFPprint_scalar(%[[CAST]]) : (!fir.ref<!fir.type<_QFTp{a:i32}>>) -> ()
+
+  ! CHECK: %[[BOX:.*]] = fir.embox %{{.*}} : (!fir.ref<!fir.type<_QFTc{a:i32,b:i32}>>) -> !fir.box<!fir.type<_QFTp{a:i32}>>
+  ! CHECK: %[[BOX_NONE:.*]] = fir.convert %[[BOX]] : (!fir.box<!fir.type<_QFTp{a:i32}>>) -> !fir.box<none>
+  ! CHECK: %{{.*}} = fir.call @_FortranAioOutputDescriptor(%{{.*}}, %[[BOX_NONE]]) : (!fir.ref<i8>, !fir.box<none>) -> i1
+
+  subroutine init_assumed(y)
+    type(c) :: y(:)
+    call print_p(y%p)
+    print*,y%p
+  end subroutine
+
+  ! CHECK-LABEL: func.func @_QFPinit_assumed(
+  ! CHECK-SAME: %[[ARG0:.*]]: !fir.box<!fir.array<?x!fir.type<_QFTc{a:i32,b:i32}>>
+  ! CHECK: %[[BOX:.*]] = fir.rebox %[[ARG0]] : (!fir.box<!fir.array<?x!fir.type<_QFTc{a:i32,b:i32}>>>) -> !fir.box<!fir.array<?x!fir.type<_QFTc{a:i32,b:i32}>>>
+  ! CHECK: %[[FIELD:.*]] = fir.field_index a, !fir.type<_QFTc{a:i32,b:i32}>
+  ! CHECK: %[[C0:.*]] = arith.constant 0 : index
+  ! CHECK: %[[BOX_DIMS:.*]]:3 = fir.box_dims %[[BOX]], %[[C0]] : (!fir.box<!fir.array<?x!fir.type<_QFTc{a:i32,b:i32}>>>, index) -> (index, index, index)
+  ! CHECK: %[[C1:.*]] = arith.constant 1 : index
+  ! CHECK: %[[SLICE:.*]] = fir.slice %[[C1]], %[[BOX_DIMS]]#1, %[[C1]] path %[[FIELD]] : (index, index, index, !fir.field) -> !fir.slice<1>
+  ! CHECK: %{{.*}} = fir.rebox %[[ARG0]] [%[[SLICE]]] : (!fir.box<!fir.array<?x!fir.type<_QFTc{a:i32,b:i32}>>>, !fir.slice<1>) -> !fir.box<!fir.array<?x!fir.type<_QFTp{a:i32}>>>
+
+  ! CHECK: %[[BOX:.*]] = fir.rebox %[[ARG0]] : (!fir.box<!fir.array<?x!fir.type<_QFTc{a:i32,b:i32}>>>) -> !fir.box<!fir.array<?x!fir.type<_QFTc{a:i32,b:i32}>>>
+  ! CHECK: %[[FIELD:.*]] = fir.field_index a, !fir.type<_QFTc{a:i32,b:i32}>
+  ! CHECK: %[[C0:.*]] = arith.constant 0 : index
+  ! CHECK: %[[BOX_DIMS:.*]]:3 = fir.box_dims %13, %[[C0]] : (!fir.box<!fir.array<?x!fir.type<_QFTc{a:i32,b:i32}>>>, index) -> (index, index, index)
+  ! CHECK: %[[C1:.*]] = arith.constant 1 : index
+  ! CHECK: %[[SLICE:.*]] = fir.slice %[[C1]], %[[BOX_DIMS]]#1, %[[C1]] path %[[FIELD]] : (index, index, index, !fir.field) -> !fir.slice<1>
+  ! CHECK: %[[REBOX:.*]] = fir.rebox %arg0 [%[[SLICE]]] : (!fir.box<!fir.array<?x!fir.type<_QFTc{a:i32,b:i32}>>>, !fir.slice<1>) -> !fir.box<!fir.array<?x!fir.type<_QFTp{a:i32}>>>
+  ! CHECK: %[[REBOX_CAST:.*]] = fir.convert %[[REBOX]] : (!fir.box<!fir.array<?x!fir.type<_QFTp{a:i32}>>>) -> !fir.box<none>
+  ! CHECK: %{{.*}} = fir.call @_FortranAioOutputDescriptor(%{{.*}}, %[[REBOX_CAST]]) : (!fir.ref<i8>, !fir.box<none>) -> i1
+
+  subroutine init_existing_field()
+    type(z) :: y(2)
+    call print_p(y%c%p)
+  end subroutine
+
+  ! CHECK-LABEL: func.func @_QFPinit_existing_field
+  ! CHECK: %[[C2:.*]] = arith.constant 2 : index
+  ! CHECK: %[[ALLOCA:.*]] = fir.alloca !fir.array<2x!fir.type<_QFTz{k:i32,c:!fir.type<_QFTc{a:i32,b:i32}>}>> {bindc_name = "y", uniq_name = "_QFinit_existing_fieldEy"}
+  ! CHECK: %[[FIELD_C:.*]] = fir.field_index c, !fir.type<_QFTz{k:i32,c:!fir.type<_QFTc{a:i32,b:i32}>}>
+  ! CHECK: %[[SHAPE:.*]] = fir.shape %[[C2]] : (index) -> !fir.shape<1>
+  ! CHECK: %[[C1:.*]] = arith.constant 1 : index
+  ! CHECK: %[[FIELD_A:.*]] = fir.field_index a, !fir.type<_QFTc{a:i32,b:i32}>
+  ! CHECK: %[[SLICE:.*]] = fir.slice %[[C1]], %[[C2]], %[[C1]] path %[[FIELD_C]], %[[FIELD_A]] : (index, index, index, !fir.field, !fir.field) -> !fir.slice<1>
+  ! CHECK: %{{.*}} = fir.embox %[[ALLOCA]](%[[SHAPE]]) [%[[SLICE]]] : (!fir.ref<!fir.array<2x!fir.type<_QFTz{k:i32,c:!fir.type<_QFTc{a:i32,b:i32}>}>>>, !fir.shape<1>, !fir.slice<1>) -> !fir.box<!fir.array<2x!fir.type<_QFTp{a:i32}>>>
+end