Visit the Optimized Code Map on first call rather than closure creation.

src/code-stubs.cc

Index: src/code-stubs.cc
diff --git a/src/code-stubs.cc b/src/code-stubs.cc
index 4f420ec51569234555fa712ff4ebc101563a6aab..4b6761aa5e658e42621f383faf384f86236a845c 100644
--- a/src/code-stubs.cc
+++ b/src/code-stubs.cc
@@ -3688,11 +3688,7 @@ ElementsTransitionAndStoreStub::GetCallInterfaceDescriptor() const {
   return VectorStoreTransitionDescriptor(isolate());
 }
 
-
-void FastNewClosureStub::InitializeDescriptor(CodeStubDescriptor* descriptor) {
-  descriptor->Initialize(Runtime::FunctionForId(Runtime::kNewClosure)->entry);
-}
-
+void FastNewClosureStub::InitializeDescriptor(CodeStubDescriptor* descriptor) {}
 
 void FastNewContextStub::InitializeDescriptor(CodeStubDescriptor* d) {}