Optimize HWrapReceiver

src/hydrogen.cc

Index: src/hydrogen.cc
diff --git a/src/hydrogen.cc b/src/hydrogen.cc
index 3c7bf5064b1683c2c8609a52ff6057d5eadda29d..78a703b5652d8282edc0fc7a77e6e791cc9f2541 100644
--- a/src/hydrogen.cc
+++ b/src/hydrogen.cc
@@ -1287,6 +1287,13 @@ HValue* HGraphBuilder::BuildCheckString(HValue* string) {
 
 HValue* HGraphBuilder::BuildWrapReceiver(HValue* object, HValue* function) {
   if (object->type().IsJSObject()) return object;
+  if (function->IsConstant() &&
+      HConstant::cast(function)->handle(isolate())->IsJSFunction()) {
+    Handle<JSFunction> f = Handle<JSFunction>::cast(
+        HConstant::cast(function)->handle(isolate()));
+    SharedFunctionInfo* shared = f->shared();
+    if (!shared->is_classic_mode() || shared->native()) return object;
+  }
   return Add<HWrapReceiver>(object, function);
 }