[object-stats] Fix dumping stats to stream

No-try: true
Bug: v8:7266
Change-Id: I4a8b8a799d08834675522e9c1dde9ff90f9fc14e
Reviewed-on: https://chromium-review.googlesource.com/870034Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50648}

src/heap/object-stats.cc

@@ -163,7 +163,7 @@ void ObjectStats::Dump(std::stringstream& stream) {
   INSTANCE_TYPE_LIST(INSTANCE_TYPE_WRAPPER);
   CODE_KIND_LIST(CODE_KIND_WRAPPER);
   FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(FIXED_ARRAY_SUB_INSTANCE_TYPE_WRAPPER);
-  FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(VIRTUAL_INSTANCE_TYPE_WRAPPER)
+  VIRTUAL_INSTANCE_TYPE_LIST(VIRTUAL_INSTANCE_TYPE_WRAPPER)
   stream << "\"END\":{}}}";
 
 #undef INSTANCE_TYPE_WRAPPER