Subzero: Add -Wshadow to the 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.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
 /// This file defines how to convert LLVM types to ICE types, and ICE types
 /// to LLVM types.
 ///
 //===----------------------------------------------------------------------===//
 
 #ifndef SUBZERO_SRC_ICETYPECONVERTER_H
 #define SUBZERO_SRC_ICETYPECONVERTER_H
 
 #include "IceDefs.h"
 #include "IceTypes.h"
+
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunused-parameter"
+#pragma clang diagnostic ignored "-Wshadow"
 #include "llvm/IR/DerivedTypes.h"
+#pragma clang diagnostic pop
 
 namespace llvm {
 class LLVMContext;
 } // end of namespace llvm
 
 namespace Ice {
 
 /// Converts LLVM types to ICE types, and ICE types to LLVM types.
 class TypeConverter {
   TypeConverter() = delete;
@@ skipping 20 matching lines @@
   /// 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 namespace Ice
 
 #endif // SUBZERO_SRC_ICETYPECONVERTER_H