Subzero: Add -Wshadow to the build.

src/IceGlobalInits.cpp

 //===- subzero/src/IceGlobalInits.cpp - Global declarations ---------------===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file implements the notion of function declarations, global
 // variable declarations, and the corresponding variable initializers
 // in Subzero.
 //
 //===----------------------------------------------------------------------===//
 
 #include "IceGlobalInits.h"
 
 #include "IceDefs.h"
 #include "IceGlobalContext.h"
 #include "IceTypes.h"
+
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunused-parameter"
+#pragma clang diagnostic ignored "-Wshadow"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/IR/Function.h"
 #include "llvm/IR/Value.h"
+#pragma clang diagnostic ignored "-Wshadow"
 
 namespace {
 char hexdigit(unsigned X) { return X < 10 ? '0' + X : 'A' + X - 10; }
 
 void dumpLinkage(Ice::Ostream &Stream,
                  llvm::GlobalValue::LinkageTypes Linkage) {
   if (!Ice::BuildDefs::dump())
     return;
   switch (Linkage) {
   case llvm::GlobalValue::ExternalLinkage:
@@ skipping 163 matching lines @@
   dumpType(Stream);
   Stream << ")";
   if (Offset != 0) {
     Stream << ", ";
     dumpType(Stream);
     Stream << " " << Offset << ")";
   }
 }
 
 } // end of namespace Ice