Subzero: Enable the C++11 build.

src/IceTypeConverter.h

 //===- subzero/src/IceTypeConverter.h - Convert ICE/LLVM Types --*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file defines how to convert LLVM types to ICE types, and ICE types
@@ skipping 43 matching lines @@
 
   /// Returns LLVM integer type with specified number of bits. Returns
   /// NULL if not a valid PNaCl integer type.
   llvm::Type *getLLVMIntegerType(unsigned NumBits) const;
 
   /// Returns the LLVM vector type for Size and Ty arguments. Returns
   /// NULL if not a valid PNaCl vector type.
   llvm::Type *getLLVMVectorType(unsigned Size, Type Ty) const;
 
 private:
-  // The LLVM context to use to build LLVM types.
-  llvm::LLVMContext &Context;
   // The list of allowable LLVM types. Indexed by ICE type.
   std::vector<llvm::Type *> LLVMTypes;
   // The inverse mapping of LLVMTypes.
   std::map<llvm::Type *, Type> LLVM2IceMap;
 
   // Add LLVM/ICE pair to internal tables.
   void AddLLVMType(Type Ty, llvm::Type *LLVMTy);
 
   // Converts types not in LLVM2IceMap.
   Type convertToIceTypeOther(llvm::Type *LLVMTy) const;
 };
 
 } // end of Ice namespace.
 
 #endif // SUBZERO_SRC_ICETYPECONVERTER_H