[printing] Fix printing the GlobalObject

Due to the dictionary refactoring we ended up calling the superclass' helper
which in turn made us decode the values wrongly for the GlobalDictionary.

Change-Id: I4298b6a437ef2d84b69b7e980470c3cf5af79944
Reviewed-on: https://chromium-review.googlesource.com/561701Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46449}

src/objects.cc

@@ -15700,21 +15700,23 @@ int JSObject::GetFastElementsUsage() {
 // we keep it here instead to satisfy certain compilers.
 #ifdef OBJECT_PRINT
 template <typename Derived, typename Shape>
-void Dictionary<Derived, Shape>::Print(std::ostream& os) {  // NOLINT
+void Dictionary<Derived, Shape>::Print(std::ostream& os) {
+  DisallowHeapAllocation no_gc;
   Isolate* isolate = this->GetIsolate();
-  int capacity = this->Capacity();
+  Derived* dictionary = Derived::cast(this);
+  int capacity = dictionary->Capacity();
   for (int i = 0; i < capacity; i++) {
-    Object* k = this->KeyAt(i);
-    if (Shape::IsLive(isolate, k)) {
+    Object* k = dictionary->KeyAt(i);
+    if (!Shape::IsLive(isolate, k)) continue;
+    if (!dictionary->ToKey(isolate, i, &k)) continue;
     os << "\n   ";
     if (k->IsString()) {
       String::cast(k)->StringPrint(os);
     } else {
       os << Brief(k);
     }
-      os << ": " << Brief(this->ValueAt(i)) << " ";
-      this->DetailsAt(i).PrintAsSlowTo(os);
-    }
+    os << ": " << Brief(dictionary->ValueAt(i)) << " ";
+    dictionary->DetailsAt(i).PrintAsSlowTo(os);
   }
 }
 template <typename Derived, typename Shape>
@@ -16225,7 +16227,7 @@ void HashTable<Derived, Shape>::Rehash(Derived* new_table) {
   for (int i = 0; i < capacity; i++) {
     uint32_t from_index = EntryToIndex(i);
     Object* k = this->get(from_index);
-    if (Shape::IsLive(isolate, k)) {
+    if (!Shape::IsLive(isolate, k)) continue;
     uint32_t hash = Shape::HashForObject(isolate, k);
     uint32_t insertion_index =
         EntryToIndex(new_table->FindInsertionEntry(hash));
@@ -16233,7 +16235,6 @@ void HashTable<Derived, Shape>::Rehash(Derived* new_table) {
       new_table->set(insertion_index + j, get(from_index + j), mode);
     }
   }
-  }
   new_table->SetNumberOfElements(NumberOfElements());
   new_table->SetNumberOfDeletedElements(0);
 }
@@ -16281,7 +16282,7 @@ void HashTable<Derived, Shape>::Rehash() {
     done = true;
     for (uint32_t current = 0; current < capacity; current++) {
       Object* current_key = KeyAt(current);
-      if (Shape::IsLive(isolate, current_key)) {
+      if (!Shape::IsLive(isolate, current_key)) continue;
       uint32_t target = EntryForProbe(current_key, probe, current);
       if (current == target) continue;
       Object* target_key = KeyAt(target);
@@ -16298,7 +16299,6 @@ void HashTable<Derived, Shape>::Rehash() {
       }
     }
   }
-  }
   // Wipe deleted entries.
   Object* the_hole = isolate->heap()->the_hole_value();
   Object* undefined = isolate->heap()->undefined_value();