Add Type::cast

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index 8147106aaab168b8bbfa825f92ee5c310ace1359..a148c21e76d1901b2fa3b86cf6ca44fd059df968 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -15865,8 +15865,8 @@ MaybeObject* PropertyCell::SetValueInferType(Object* value,
         &PropertyCell::UpdateType,
         Handle<PropertyCell>(this),
         Handle<Object>(value, GetIsolate()));
-    if (maybe_type->IsFailure()) return maybe_type;
-    Type* new_type = static_cast<Type*>(maybe_type);
+    Type* new_type;
+    if (maybe_type->To(&new_type)) return maybe_type;
     set_type(new_type);
   }
   return value;