Provide call counts for constructor calls, surface them as a vector IC.

src/objects-printer.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/objects.h"
 
 #include "src/disasm.h"
 #include "src/disassembler.h"
 #include "src/interpreter/bytecodes.h"
 #include "src/objects-inl.h"
@@ skipping 601 matching lines @@
       case FeedbackVectorSlotKind::KEYED_LOAD_IC: {
         KeyedLoadICNexus nexus(this, slot);
         os << Code::ICState2String(nexus.StateFromFeedback());
         break;
       }
       case FeedbackVectorSlotKind::CALL_IC: {
         CallICNexus nexus(this, slot);
         os << Code::ICState2String(nexus.StateFromFeedback());
         break;
       }
+      case FeedbackVectorSlotKind::CONSTRUCT_IC: {
+        ConstructICNexus nexus(this, slot);
+        os << Code::ICState2String(nexus.StateFromFeedback());
+        break;
+      }
       case FeedbackVectorSlotKind::STORE_IC: {
         StoreICNexus nexus(this, slot);
         os << Code::ICState2String(nexus.StateFromFeedback());
         break;
       }
       case FeedbackVectorSlotKind::KEYED_STORE_IC: {
         KeyedStoreICNexus nexus(this, slot);
         os << Code::ICState2String(nexus.StateFromFeedback());
         break;
       }
@@ skipping 691 matching lines @@
 void JSObject::PrintTransitions(std::ostream& os) {  // NOLINT
   Object* transitions = map()->raw_transitions();
   int num_transitions = TransitionArray::NumberOfTransitions(transitions);
   if (num_transitions == 0) return;
   os << "\n - transitions";
   TransitionArray::PrintTransitions(os, transitions, false);
 }
 #endif  // defined(DEBUG) || defined(OBJECT_PRINT)
 }  // namespace internal
 }  // namespace v8