Added type recording for unary minus and unary bitwise negation. Note that the

src/type-info.h

 // Copyright 2011 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 209 matching lines @@
 
 
 enum StringStubFeedback {
   DEFAULT_STRING_STUB = 0,
   STRING_INDEX_OUT_OF_BOUNDS = 1
 };
 
 
 // Forward declarations.
 class Assignment;
+class UnaryOperation;
 class BinaryOperation;
 class Call;
 class CompareOperation;
 class CompilationInfo;
 class Property;
 class CaseClause;
 
 class TypeFeedbackOracle BASE_EMBEDDED {
  public:
   TypeFeedbackOracle(Handle<Code> code, Handle<Context> global_context);
@@ skipping 11 matching lines @@
 
   ExternalArrayType GetKeyedLoadExternalArrayType(Property* expr);
   ExternalArrayType GetKeyedStoreExternalArrayType(Expression* expr);
 
   CheckType GetCallCheckType(Call* expr);
   Handle<JSObject> GetPrototypeForPrimitiveCheck(CheckType check);
 
   bool LoadIsBuiltin(Property* expr, Builtins::Name id);
 
   // Get type information for arithmetic operations and compares.
+  TypeInfo UnaryType(UnaryOperation* expr);
   TypeInfo BinaryType(BinaryOperation* expr);
   TypeInfo CompareType(CompareOperation* expr);
   TypeInfo SwitchType(CaseClause* clause);
 
  private:
   ZoneMapList* CollectReceiverTypes(int position,
                                     Handle<String> name,
                                     Code::Flags flags);
 
   void SetInfo(int position, Object* target);
@@ skipping 10 matching lines @@
 
   Handle<Context> global_context_;
   Handle<NumberDictionary> dictionary_;
 
   DISALLOW_COPY_AND_ASSIGN(TypeFeedbackOracle);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_TYPE_INFO_H_