[dict] Fix printing of dicts

These are FixedArrays, not ObjectHashTable

Change-Id: I8f5a4d8c16bc0f566719815fbea6be51b6bd8ec5
Reviewed-on: https://chromium-review.googlesource.com/c/1387864
Commit-Queue: Sathya Gunasekaran <gsathya@chromium.org>
Reviewed-by: Adam Klein <adamk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58505}

src/objects-printer.cc

@@ -156,6 +156,8 @@ void HeapObject::HeapObjectPrint(std::ostream& os) {  // NOLINT
     case NAME_DICTIONARY_TYPE:
     case GLOBAL_DICTIONARY_TYPE:
     case SIMPLE_NUMBER_DICTIONARY_TYPE:
+      FixedArray::cast(*this)->FixedArrayPrint(os);
+      break;
     case STRING_TABLE_TYPE:
       ObjectHashTable::cast(*this)->ObjectHashTablePrint(os);
       break;