Populate PrototypeInfo with prototype_object value

src/objects-debug.cc

Index: src/objects-debug.cc
diff --git a/src/objects-debug.cc b/src/objects-debug.cc
index ed1a53cfff39f9b17eb73f36f234bd60801c0ce6..397c27950e41701851d39cf33af47d38c27724cc 100644
--- a/src/objects-debug.cc
+++ b/src/objects-debug.cc
@@ -882,13 +882,13 @@ void Box::BoxVerify() {
 
 void PrototypeInfo::PrototypeInfoVerify() {
   CHECK(IsPrototypeInfo());
-  CHECK(prototype_object()->IsJSObject());
+  CHECK(prototype_object()->IsJSObject() || prototype_object()->IsSmi());
   if (prototype_users()->IsWeakFixedArray()) {
     WeakFixedArray::cast(prototype_users())->FixedArrayVerify();
   } else {
     CHECK(prototype_users()->IsSmi());
   }
-  CHECK(validity_cell()->IsCell() || validity_cell()->IsCell());
+  CHECK(validity_cell()->IsCell() || validity_cell()->IsSmi());
 }