Avoid logging preparse-data inside lazily compiled functions.

src/parser.h

Index: src/parser.h
diff --git a/src/parser.h b/src/parser.h
index 8c00857276388d3640e2e217d5c99f18f51f6f2d..b4532aa6ed5822f848759dc8f98b3839afeb6c8f 100644
--- a/src/parser.h
+++ b/src/parser.h
@@ -72,19 +72,9 @@ class FunctionEntry BASE_EMBEDDED {
     backing_[kPropertyCountOffset] = value;
   }
 
-  int predata_function_skip() { return backing_[kPredataFunctionSkipOffset]; }
-  void set_predata_function_skip(int value) {
-    backing_[kPredataFunctionSkipOffset] = value;
-  }
-
-  int predata_symbol_skip() { return backing_[kPredataSymbolSkipOffset]; }
-  void set_predata_symbol_skip(int value) {
-    backing_[kPredataSymbolSkipOffset] = value;
-  }
-
   bool is_valid() { return backing_.length() > 0; }
 
-  static const int kSize = 6;
+  static const int kSize = 4;
 
  private:
   Vector<unsigned> backing_;
@@ -92,8 +82,6 @@ class FunctionEntry BASE_EMBEDDED {
   static const int kEndPosOffset = 1;
   static const int kLiteralCountOffset = 2;
   static const int kPropertyCountOffset = 3;
-  static const int kPredataFunctionSkipOffset = 4;
-  static const int kPredataSymbolSkipOffset = 5;
 };
 
 
@@ -117,7 +105,6 @@ class ScriptDataImpl : public ScriptData {
 
   FunctionEntry GetFunctionEntry(int start);
   int GetSymbolIdentifier();
-  void SkipFunctionEntry(int start);
   bool SanityCheck();
 
   Scanner::Location MessageLocation();
@@ -133,28 +120,8 @@ class ScriptDataImpl : public ScriptData {
   unsigned magic() { return store_[kMagicOffset]; }
   unsigned version() { return store_[kVersionOffset]; }
 
-  // Skip forward in the preparser data by the given number
-  // of unsigned ints of function entries and the given number of bytes of
-  // symbol id encoding.
-  void Skip(int function_entries, int symbol_entries) {
-    ASSERT(function_entries >= 0);
-    ASSERT(function_entries
-           <= (static_cast<int>(store_[kFunctionsSizeOffset])
-               - (function_index_ - kHeaderSize)));
-    ASSERT(symbol_entries >= 0);
-    ASSERT(symbol_entries <= symbol_data_end_ - symbol_data_);
-
-    unsigned max_function_skip = store_[kFunctionsSizeOffset] -
-        static_cast<unsigned>(function_index_ - kHeaderSize);
-    function_index_ +=
-        Min(static_cast<unsigned>(function_entries), max_function_skip);
-    symbol_data_ +=
-        Min(static_cast<unsigned>(symbol_entries),
-            static_cast<unsigned>(symbol_data_end_ - symbol_data_));
-  }
-
   static const unsigned kMagicNumber = 0xBadDead;
-  static const unsigned kCurrentVersion = 3;
+  static const unsigned kCurrentVersion = 4;
 
   static const int kMagicOffset = 0;
   static const int kVersionOffset = 1;