Use C++11 deleted functions feature if available.

src/globals.h

 // Copyright 2012 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 309 matching lines @@
 
 
 // FUNCTION_CAST<F>(addr) casts an address into a function
 // of type F. Used to invoke generated code from within C.
 template <typename F>
 F FUNCTION_CAST(Address addr) {
   return reinterpret_cast<F>(reinterpret_cast<intptr_t>(addr));
 }
 
 
+#if __cplusplus >= 201103L
+#define DISALLOW_BY_DELETE = delete
+#else
+#define DISALLOW_BY_DELETE
+#endif
+
+
 // A macro to disallow the evil copy constructor and operator= functions
 // This should be used in the private: declarations for a class
-#define DISALLOW_COPY_AND_ASSIGN(TypeName)      \
-  TypeName(const TypeName&);                    \
-  void operator=(const TypeName&)
+#define DISALLOW_COPY_AND_ASSIGN(TypeName)           \
+  TypeName(const TypeName&) DISALLOW_BY_DELETE;      \
+  void operator=(const TypeName&) DISALLOW_BY_DELETE
 
 
 // A macro to disallow all the implicit constructors, namely the
 // default constructor, copy constructor and operator= functions.
 //
 // This should be used in the private: declarations for a class
 // that wants to prevent anyone from instantiating it. This is
 // especially useful for classes containing only static methods.
 #define DISALLOW_IMPLICIT_CONSTRUCTORS(TypeName) \
-  TypeName();                                    \
+  TypeName() DISALLOW_BY_DELETE;                 \
   DISALLOW_COPY_AND_ASSIGN(TypeName)
 
 
 // Define used for helping GCC to make better inlining. Don't bother for debug
 // builds. On GCC 3.4.5 using __attribute__((always_inline)) causes compilation
 // errors in debug build.
 #if defined(__GNUC__) && !defined(DEBUG)
 #if (__GNUC__ >= 4)
 #define INLINE(header) inline header  __attribute__((always_inline))
 #define NO_INLINE(header) header __attribute__((noinline))
@@ skipping 78 matching lines @@
 // the backend, so both modes are represented by the kStrictMode value.
 enum StrictModeFlag {
   kNonStrictMode,
   kStrictMode
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_GLOBALS_H_