Out-of-line constant pool on Arm: Stage 2 - Introduce ConstantPoolArray object.

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index 530fb6d804d5d7eb5a4bccd380eaa40b60733ff3..26cb3c53dc92a5008151669e849a998710f4e107 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -1737,6 +1737,9 @@ void HeapObject::IterateBody(InstanceType type, int object_size,
     case FIXED_ARRAY_TYPE:
       FixedArray::BodyDescriptor::IterateBody(this, object_size, v);
       break;
+    case CONSTANT_POOL_ARRAY_TYPE:
+      reinterpret_cast<ConstantPoolArray*>(this)->ConstantPoolIterateBody(v);
+      break;
     case FIXED_DOUBLE_ARRAY_TYPE:
       break;
     case JS_OBJECT_TYPE:
@@ -9362,6 +9365,16 @@ bool Map::EquivalentToForNormalization(Map* other,
 }
 
 
+void ConstantPoolArray::ConstantPoolIterateBody(ObjectVisitor* v) {
+  int first_ptr_offset = OffsetOfElementAt(first_ptr_index());
+  int last_ptr_offset =
+      OffsetOfElementAt(first_ptr_index() + count_of_ptr_entries());
+  v->VisitPointers(
+      HeapObject::RawField(this, first_ptr_offset),
+      HeapObject::RawField(this, last_ptr_offset));
+}
+
+
 void JSFunction::JSFunctionIterateBody(int object_size, ObjectVisitor* v) {
   // Iterate over all fields in the body but take care in dealing with
   // the code entry.