Improve performance of allocating closures for nested...

bleeding_edge/src/codegen.h

Index: bleeding_edge/src/codegen.h
===================================================================
--- bleeding_edge/src/codegen.h	(revision 3473)
+++ bleeding_edge/src/codegen.h	(working copy)
@@ -233,6 +233,17 @@
 };
 
 
+class FastNewClosureStub : public CodeStub {
+ public:
+  void Generate(MacroAssembler* masm);
+
+ private:
+  const char* GetName() { return "FastNewClosureStub"; }
+  Major MajorKey() { return FastNewClosure; }
+  int MinorKey() { return 0; }
+};
+
+
 class InstanceofStub: public CodeStub {
  public:
   InstanceofStub() { }