[ic] Smi-handlers are now able to represent loads of constants from descriptor array.

src/ic/ic.cc

Index: src/ic/ic.cc
diff --git a/src/ic/ic.cc b/src/ic/ic.cc
index 698dde5e53e43de4c9ff0241d28cf5c8be7ab3a1..cfa740b1051c76355cec051a0e06665e6b1a44d7 100644
--- a/src/ic/ic.cc
+++ b/src/ic/ic.cc
@@ -1210,6 +1210,11 @@ Handle<Object> LoadIC::GetMapIndependentHandler(LookupIterator* lookup) {
       // -------------- Constant properties --------------
       DCHECK(lookup->property_details().type() == DATA_CONSTANT);
       if (receiver_is_holder) {
+        if (FLAG_tf_load_ic_stub) {
+          TRACE_HANDLER_STATS(isolate(), LoadIC_LoadConstantDH);
+          return SmiHandler::MakeLoadConstantHandler(
+              isolate(), lookup->GetConstantIndex());
+        }
         TRACE_HANDLER_STATS(isolate(), LoadIC_LoadConstantStub);
         LoadConstantStub stub(isolate(), lookup->GetConstantIndex());
         return stub.GetCode();