No need to collect literal counts.

src/parsing/preparse-data.h

 // Copyright 2011 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_PARSING_PREPARSE_DATA_H_
 #define V8_PARSING_PREPARSE_DATA_H_
 
 #include "src/allocation.h"
 #include "src/base/hashmap.h"
 #include "src/collector.h"
@@ skipping 38 matching lines @@
 class PreParserLogger final {
  public:
   PreParserLogger()
       : end_(-1),
         num_parameters_(-1),
         function_length_(-1),
         has_duplicate_parameters_(false),
         num_inner_functions_(-1) {}
 
   void LogFunction(int end, int num_parameters, int function_length,
-                   bool has_duplicate_parameters, int literals, int properties,
+                   bool has_duplicate_parameters, int properties,
                    int num_inner_functions) {
     end_ = end;
     num_parameters_ = num_parameters;
     function_length_ = function_length;
     has_duplicate_parameters_ = has_duplicate_parameters;
-    literals_ = literals;
     properties_ = properties;
     num_inner_functions_ = num_inner_functions;
   }
 
   int end() const { return end_; }
   int num_parameters() const {
     return num_parameters_;
   }
   int function_length() const {
     return function_length_;
   }
   bool has_duplicate_parameters() const {
     return has_duplicate_parameters_;
   }
-  int literals() const {
-    return literals_;
-  }
   int properties() const {
     return properties_;
   }
   int num_inner_functions() const { return num_inner_functions_; }
 
  private:
   int end_;
   // For function entries.
   int num_parameters_;
   int function_length_;
   bool has_duplicate_parameters_;
-  int literals_;
   int properties_;
   int num_inner_functions_;
 };
 
 class ParserLogger final {
  public:
   ParserLogger();
 
   void LogFunction(int start, int end, int num_parameters, int function_length,
-                   bool has_duplicate_parameters, int literals, int properties,
+                   bool has_duplicate_parameters, int properties,
                    LanguageMode language_mode, bool uses_super_property,
                    bool calls_eval, int num_inner_functions);
 
   ScriptData* GetScriptData();
 
  private:
   Collector<unsigned> function_store_;
   unsigned preamble_[PreparseDataConstants::kHeaderSize];
 
 #ifdef DEBUG
   int prev_start_;
 #endif
 };
 
 
 }  // namespace internal
 }  // namespace v8.
 
 #endif  // V8_PARSING_PREPARSE_DATA_H_