Additional work to get array literal allocation tracking working, even with --always-opt

src/codegen.h

Index: src/codegen.h
diff --git a/src/codegen.h b/src/codegen.h
index 0ac68c2eac7c52bf493b93de0c0bac4e722f6378..a13ce1d2d10bdfc45f74a0edaf846ceeceda164f 100644
--- a/src/codegen.h
+++ b/src/codegen.h
@@ -96,7 +96,10 @@ UnaryMathFunction CreateSqrtFunction();
 
 class ElementsTransitionGenerator : public AllStatic {
  public:
-  static void GenerateMapChangeElementsTransition(MacroAssembler* masm);
+  // If allocation_site_info_found is not null, then allocation site info
+  // checking is enabled
+  static void GenerateMapChangeElementsTransition(MacroAssembler* masm,

[danno, 2013/01/11 16:14:40]

nit: all parameters need to be aligned in declaration according to style guide,
so param above needs to go on next line and line up with Label at the 4-char
indent.

+      Label* allocation_site_info_found);
   static void GenerateSmiToDouble(MacroAssembler* masm, Label* fail);
   static void GenerateDoubleToObject(MacroAssembler* masm, Label* fail);