Experimental: merge from bleeding edge 1298:1307. Port the eval...

src/codegen-arm.h

Index: src/codegen-arm.h
===================================================================
--- src/codegen-arm.h	(revision 1322)
+++ src/codegen-arm.h	(working copy)
@@ -253,6 +253,11 @@
 
   MemOperand SlotOperand(Slot* slot, Register tmp);
 
+  MemOperand ContextSlotOperandCheckExtensions(Slot* slot,
+                                               Register tmp,
+                                               Register tmp2,
+                                               JumpTarget* slow);
+
   // Expressions
   MemOperand GlobalObject() const  {
     return ContextOperand(cp, Context::GLOBAL_INDEX);
@@ -299,6 +304,11 @@
 
   // Read a value from a slot and leave it on top of the expression stack.
   void LoadFromSlot(Slot* slot, TypeofState typeof_state);
+  void LoadFromGlobalSlotCheckExtensions(Slot* slot,
+                                         TypeofState typeof_state,
+                                         Register tmp,
+                                         Register tmp2,
+                                         JumpTarget* slow);
 
   // Special code for typeof expressions: Unfortunately, we must
   // be careful when loading the expression in 'typeof'