Revert change 3849. On ia32, LoadFromSlot again returns its result on the to...

src/ia32/codegen-ia32.h

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 441 matching lines @@
   // and then spill the frame fully to memory.  This function is used
   // temporarily while the code generator is being transformed.
   void LoadAndSpill(Expression* expression);
 
   // Evaluate an expression and place its value on top of the frame,
   // using, or not using, the side-effect-free expression compiler.
   void LoadInSafeInt32Mode(Expression* expr, BreakTarget* unsafe_bailout);
   void LoadWithSafeInt32ModeDisabled(Expression* expr);
 
   // Read a value from a slot and leave it on top of the expression stack.
-  Result LoadFromSlot(Slot* slot, TypeofState typeof_state);
-  Result LoadFromSlotCheckForArguments(Slot* slot, TypeofState typeof_state);
+  void LoadFromSlot(Slot* slot, TypeofState typeof_state);
+  void LoadFromSlotCheckForArguments(Slot* slot, TypeofState typeof_state);
   Result LoadFromGlobalSlotCheckExtensions(Slot* slot,
                                            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,
@@ skipping 641 matching lines @@
     return ObjectBits::encode(object_.code()) |
            AddressBits::encode(addr_.code()) |
            ScratchBits::encode(scratch_.code());
   }
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_IA32_CODEGEN_IA32_H_