Distinguish between ELF 32/64, little/big endian, in the type system of Binary.h

include/llvm/Object/COFF.h

 //===- COFF.h - COFF object file implementation -----------------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file declares the COFFObjectFile class.
@@ skipping 161 matching lines @@
   template <typename T>
   error_code getAuxSymbol(uint32_t index, const T *&Res) const {
     const coff_symbol *s;
     error_code ec = getSymbol(index, s);
     Res = reinterpret_cast<const T*>(s);
     return ec;
   }
   error_code getSymbolName(const coff_symbol *symbol, StringRef &Res) const;
 
   static inline bool classof(const Binary *v) {
-    return v->getType() == isCOFF;
+    return v->isCOFF();
   }
   static inline bool classof(const COFFObjectFile *v) { return true; }
 };
 
 }
 }
 
 #endif