Flag for serialization when compiling code stubs if --serialize-toplevel.

src/compiler.h

 // 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.
 
 #ifndef V8_COMPILER_H_
 #define V8_COMPILER_H_
 
 #include "src/allocation.h"
 #include "src/ast.h"
 #include "src/zone.h"
@@ skipping 166 matching lines @@
 
   void MarkAsDebug() {
     flags_ |= IsDebug::encode(true);
   }
 
   bool is_debug() const {
     return IsDebug::decode(flags_);
   }
 
   void PrepareForSerializing() {
-    ASSERT(!is_lazy());
     flags_ |= PrepareForSerializing::encode(true);
   }
 
   bool will_serialize() const { return PrepareForSerializing::decode(flags_); }
 
   bool IsCodePreAgingActive() const {
     return FLAG_optimize_for_size && FLAG_age_code && !will_serialize() &&
            !is_debug();
   }
 
@@ skipping 539 matching lines @@
   Zone zone_;
   unsigned info_zone_start_allocation_size_;
   base::ElapsedTimer timer_;
 
   DISALLOW_COPY_AND_ASSIGN(CompilationPhase);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_COMPILER_H_