Do not include code objects for functions in the start-up snapshot.

src/serialize.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/v8.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/base/platform/platform.h"
 #include "src/bootstrapper.h"
@@ skipping 1514 matching lines @@
 
   int root_index = root_index_map_.Lookup(obj);
   // We can only encode roots as such if it has already been serialized.
   // That applies to root indices below the wave front.
   if (root_index != RootIndexMap::kInvalidRootIndex &&
       root_index < root_index_wave_front_) {
     PutRoot(root_index, obj, how_to_code, where_to_point, skip);
     return;
   }
 
+  if (obj->IsCode() && Code::cast(obj)->kind() == Code::FUNCTION) {
+    obj = isolate()->builtins()->builtin(Builtins::kCompileLazy);
+  }
+
   if (SerializeKnownObject(obj, how_to_code, where_to_point, skip)) return;
 
   FlushSkip(skip);
 
   // Object has not yet been serialized.  Serialize it here.
   ObjectSerializer object_serializer(this, obj, sink_, how_to_code,
                                      where_to_point);
   object_serializer.Serialize();
 }
 
@@ skipping 1012 matching lines @@
   DisallowHeapAllocation no_gc;
   SerializedCodeData* scd = new SerializedCodeData(cached_data);
   SanityCheckResult r = scd->SanityCheck(isolate, source);
   if (r == CHECK_SUCCESS) return scd;
   cached_data->Reject();
   source->GetIsolate()->counters()->code_cache_reject_reason()->AddSample(r);
   delete scd;
   return NULL;
 }
 } }  // namespace v8::internal