Assign unique IDs to FunctionLiterals

src/parsing/preparse-data.h

Index: src/parsing/preparse-data.h
diff --git a/src/parsing/preparse-data.h b/src/parsing/preparse-data.h
index 767484ad7ff074bc9fecd7625d7c32543f852d06..ca70f8a45f3c74725d39e69d790739464671f69a 100644
--- a/src/parsing/preparse-data.h
+++ b/src/parsing/preparse-data.h
@@ -52,17 +52,19 @@ class PreParserLogger final {
       : end_(-1),
         num_parameters_(-1),
         function_length_(-1),
-        has_duplicate_parameters_(false) {}
+        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 literals, 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_; }
@@ -81,6 +83,7 @@ class PreParserLogger final {
   int properties() const {
     return properties_;
   }
+  int num_inner_functions() const { return num_inner_functions_; }
 
  private:
   int end_;
@@ -90,6 +93,7 @@ class PreParserLogger final {
   bool has_duplicate_parameters_;
   int literals_;
   int properties_;
+  int num_inner_functions_;
 };
 
 class ParserLogger final {
@@ -99,7 +103,7 @@ class ParserLogger final {
   void LogFunction(int start, int end, int num_parameters, int function_length,
                    bool has_duplicate_parameters, int literals, int properties,
                    LanguageMode language_mode, bool uses_super_property,
-                   bool calls_eval);
+                   bool calls_eval, int num_inner_functions);
 
   ScriptData* GetScriptData();