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

src/type-info.cc

Index: src/type-info.cc
diff --git a/src/type-info.cc b/src/type-info.cc
index 45fde7700b993f43fe2244e8ab1f68aaaaf848dc..1f44f9c64977762c0e63809f0928cc1e7a3efc50 100644
--- a/src/type-info.cc
+++ b/src/type-info.cc
@@ -152,7 +152,8 @@ void TypeFeedbackOracle::GetStoreModeAndKeyType(
 
 
 Handle<JSFunction> TypeFeedbackOracle::GetCallTarget(FeedbackVectorSlot slot) {
-  Handle<Object> info = GetInfo(slot);
+  CallICNexus nexus(feedback_vector_, slot);
+  Handle<Object> info = nexus.GetCallFeedback();
   if (info->IsAllocationSite()) {
     return Handle<JSFunction>(isolate()->native_context()->array_function());
   }
@@ -163,7 +164,8 @@ Handle<JSFunction> TypeFeedbackOracle::GetCallTarget(FeedbackVectorSlot slot) {
 
 Handle<JSFunction> TypeFeedbackOracle::GetCallNewTarget(
     FeedbackVectorSlot slot) {
-  Handle<Object> info = GetInfo(slot);
+  ConstructICNexus nexus(feedback_vector_, slot);
+  Handle<Object> info = nexus.GetCallFeedback();
   if (info->IsJSFunction()) {
     return Handle<JSFunction>::cast(info);
   }