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

src/objects-visiting.h

Index: src/objects-visiting.h
diff --git a/src/objects-visiting.h b/src/objects-visiting.h
index 21757377a4f3910f9b39bb8582be86e2684f1af8..13b17692ca57f907b94fa0ed774cd0e902b665dc 100644
--- a/src/objects-visiting.h
+++ b/src/objects-visiting.h
@@ -54,6 +54,7 @@ class StaticVisitorBase : public AllStatic {
   V(FreeSpace)                \
   V(FixedArray)               \
   V(FixedDoubleArray)         \
+  V(ConstantPoolArray)        \
   V(NativeContext)            \
   V(AllocationSite)           \
   V(DataObject2)              \
@@ -321,6 +322,13 @@ class StaticNewSpaceVisitor : public StaticVisitorBase {
     return FixedDoubleArray::SizeFor(length);
   }
 
+  INLINE(static int VisitConstantPoolArray(Map* map, HeapObject* object)) {
+    ConstantPoolArray* constantPoolArray =
+        reinterpret_cast<ConstantPoolArray*>(object);
+    return ConstantPoolArray::SizeFor(constantPoolArray->length(),
+                                      constantPoolArray->first_int32_index());
+  }
+
   INLINE(static int VisitJSObject(Map* map, HeapObject* object)) {
     return JSObjectVisitor::Visit(map, object);
   }