[interpreter] Add field for source position table to byte code array.

src/objects-body-descriptors-inl.h

Index: src/objects-body-descriptors-inl.h
diff --git a/src/objects-body-descriptors-inl.h b/src/objects-body-descriptors-inl.h
index 8fe4c0a84a078cebcca999e6f00160699f71984f..f883c9c75f1d342499b40a448cc9c15cc4ea6971 100644
--- a/src/objects-body-descriptors-inl.h
+++ b/src/objects-body-descriptors-inl.h
@@ -201,6 +201,7 @@ class BytecodeArray::BodyDescriptor final : public BodyDescriptorBase {
                                  ObjectVisitor* v) {
     IteratePointer(obj, kConstantPoolOffset, v);
     IteratePointer(obj, kHandlerTableOffset, v);
+    IteratePointer(obj, kSourcePositionTableOffset, v);
   }
 
   template <typename StaticVisitor>
@@ -208,6 +209,7 @@ class BytecodeArray::BodyDescriptor final : public BodyDescriptorBase {
     Heap* heap = obj->GetHeap();
     IteratePointer<StaticVisitor>(heap, obj, kConstantPoolOffset);
     IteratePointer<StaticVisitor>(heap, obj, kHandlerTableOffset);
+    IteratePointer<StaticVisitor>(heap, obj, kSourcePositionTableOffset);
   }
 
   static inline int SizeOf(Map* map, HeapObject* obj) {