Share SharedFunctionInfo between all functions created for a FunctionTemplateInfo

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 8d4ff2cdee8b0be1d5683252cfe2e3f4baa459f3..119a0af334ba863846df9e2d9f2ce617f42ba1c6 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -10524,6 +10524,7 @@ class FunctionTemplateInfo: public TemplateInfo {
   DECL_ACCESSORS(signature, Object)
   DECL_ACCESSORS(instance_call_handler, Object)
   DECL_ACCESSORS(access_check_info, Object)
+  DECL_ACCESSORS(shared_function_info, Object)
   DECL_INT_ACCESSORS(flag)
 
   inline int length() const;
@@ -10538,7 +10539,6 @@ class FunctionTemplateInfo: public TemplateInfo {
   DECL_BOOLEAN_ACCESSORS(read_only_prototype)
   DECL_BOOLEAN_ACCESSORS(remove_prototype)
   DECL_BOOLEAN_ACCESSORS(do_not_cache)
-  DECL_BOOLEAN_ACCESSORS(instantiated)
   DECL_BOOLEAN_ACCESSORS(accept_any_receiver)
 
   DECLARE_CAST(FunctionTemplateInfo)
@@ -10563,13 +10563,18 @@ class FunctionTemplateInfo: public TemplateInfo {
   static const int kInstanceCallHandlerOffset = kSignatureOffset + kPointerSize;
   static const int kAccessCheckInfoOffset =
       kInstanceCallHandlerOffset + kPointerSize;
-  static const int kFlagOffset = kAccessCheckInfoOffset + kPointerSize;
+  static const int kSharedFunctionInfoOffset =
+      kAccessCheckInfoOffset + kPointerSize;
+  static const int kFlagOffset = kSharedFunctionInfoOffset + kPointerSize;
   static const int kLengthOffset = kFlagOffset + kPointerSize;
   static const int kSize = kLengthOffset + kPointerSize;
 
+  static Handle<SharedFunctionInfo> GetOrCreateSharedFunctionInfo(
+      Isolate* isolate, Handle<FunctionTemplateInfo> info);
   // Returns true if |object| is an instance of this function template.
   inline bool IsTemplateFor(JSObject* object);
   bool IsTemplateFor(Map* map);
+  inline bool instantiated();
 
  private:
   // Bit position in the flag, from least significant bit position.
@@ -10579,8 +10584,7 @@ class FunctionTemplateInfo: public TemplateInfo {
   static const int kReadOnlyPrototypeBit = 3;
   static const int kRemovePrototypeBit   = 4;
   static const int kDoNotCacheBit        = 5;
-  static const int kInstantiatedBit      = 6;
-  static const int kAcceptAnyReceiver = 7;
+  static const int kAcceptAnyReceiver = 6;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(FunctionTemplateInfo);
 };