Refactor the fast-case code for loading local/global variables and...

src/arm/codegen-arm.h

Index: src/arm/codegen-arm.h
===================================================================
--- src/arm/codegen-arm.h	(revision 4644)
+++ src/arm/codegen-arm.h	(working copy)
@@ -314,6 +314,7 @@
   // Read a value from a slot and leave it on top of the expression stack.
   void LoadFromSlot(Slot* slot, TypeofState typeof_state);
   void LoadFromSlotCheckForArguments(Slot* slot, TypeofState state);
+
   // Store the value on top of the stack to a slot.
   void StoreToSlot(Slot* slot, InitState init_state);
 
@@ -343,6 +344,15 @@
                                          TypeofState typeof_state,
                                          JumpTarget* slow);
 
+  // Support for loading from local/global variables and arguments
+  // whose location is known unless they are shadowed by
+  // eval-introduced bindings. Generates no code for unsupported slot
+  // types and therefore expects to fall through to the slow jump target.
+  void EmitDynamicLoadFromSlotFastCase(Slot* slot,
+                                       TypeofState typeof_state,
+                                       JumpTarget* slow,
+                                       JumpTarget* done);
+
   // Special code for typeof expressions: Unfortunately, we must
   // be careful when loading the expression in 'typeof'
   // expressions. We are not allowed to throw reference errors for