Don't compile code for LoadICs if the receiver is primitive

src/ic/ic.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/ic/ic.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/api-arguments.h"
 #include "src/arguments.h"
@@ skipping 1057 matching lines @@
             // This case should be already handled in LoadIC::UpdateCaches.
             UNREACHABLE();
             break;
           }
           if (!holder->HasFastProperties()) break;
           if (receiver_is_holder) {
             int index = lookup->GetAccessorIndex();
             LoadApiGetterStub stub(isolate(), true, index);
             return stub.GetCode();
           }
+          if (info->is_sloppy() && !receiver->IsJSReceiver()) break;
           NamedLoadHandlerCompiler compiler(isolate(), map, holder,
                                             cache_holder);
           return compiler.CompileLoadCallback(lookup->name(), info);
         }
       }
       break;
     }
 
     case LookupIterator::DATA: {
       if (lookup->is_dictionary_holder()) {
@@ skipping 456 matching lines @@
             !lookup->HolderIsReceiverOrHiddenPrototype()) {
           TRACE_GENERIC_IC(isolate(), "StoreIC",
                            "special data property in prototype chain");
           break;
         }
         if (!AccessorInfo::IsCompatibleReceiverMap(isolate(), info,
                                                    receiver_map())) {
           TRACE_GENERIC_IC(isolate(), "StoreIC", "incompatible receiver type");
           break;
         }
+        if (info->is_sloppy() && !receiver->IsJSReceiver()) break;
         NamedStoreHandlerCompiler compiler(isolate(), receiver_map(), holder);
         return compiler.CompileStoreCallback(receiver, lookup->name(), info,
                                              language_mode());
       } else if (accessors->IsAccessorPair()) {
         Handle<Object> setter(Handle<AccessorPair>::cast(accessors)->setter(),
                               isolate());
         if (!setter->IsJSFunction() && !setter->IsFunctionTemplateInfo()) {
           TRACE_GENERIC_IC(isolate(), "StoreIC", "setter not a function");
           break;
         }
@@ skipping 1180 matching lines @@
     KeyedLoadICNexus nexus(vector, vector_slot);
     KeyedLoadIC ic(IC::EXTRA_CALL_FRAME, isolate, &nexus);
     ic.UpdateState(receiver, key);
     ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, result, ic.Load(receiver, key));
   }
 
   return *result;
 }
 }  // namespace internal
 }  // namespace v8