[print] Support weak maps in load feedback printing

Fixed: chromium:1330584
Change-Id: I8ae7942226350e52419e42fc46cb157bd480d102
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3680301
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Auto-Submit: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80868}

src/diagnostics/objects-printer.cc

@@ -1261,7 +1261,7 @@ void FeedbackNexus::Print(std::ostream& os) {
     case FeedbackSlotKind::kLoadProperty: {
       os << InlineCacheState2String(ic_state());
       if (ic_state() == InlineCacheState::MONOMORPHIC) {
-        os << "\n   " << Brief(GetFeedback().GetHeapObject()) << ": ";
+        os << "\n   " << Brief(GetFeedback()) << ": ";
         LoadHandler::PrintHandler(GetFeedbackExtra().GetHeapObjectOrSmi(), os);
       } else if (ic_state() == InlineCacheState::POLYMORPHIC) {
         WeakFixedArray array =