Change interface to CodeGenerator::LoadFromSlot.

src/ia32/codegen-ia32.h

Index: src/ia32/codegen-ia32.h
diff --git a/src/ia32/codegen-ia32.h b/src/ia32/codegen-ia32.h
index 17e73e0e8d23a1e633035651e79e8679716f6d1f..9d7fb3e5f03073407ff713695010cd02131e5af5 100644
--- a/src/ia32/codegen-ia32.h
+++ b/src/ia32/codegen-ia32.h
@@ -429,8 +429,8 @@ class CodeGenerator: public AstVisitor {
   void LoadAndSpill(Expression* expression);
 
   // 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 typeof_state);
+  Result LoadFromSlot(Slot* slot, TypeofState typeof_state);
+  Result LoadFromSlotCheckForArguments(Slot* slot, TypeofState typeof_state);
   Result LoadFromGlobalSlotCheckExtensions(Slot* slot,
                                            TypeofState typeof_state,
                                            JumpTarget* slow);