Subzero: Add -Wshadow to the build.

src/IceInstARM32.h

 //===- subzero/src/IceInstARM32.h - ARM32 machine instructions --*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 298 matching lines @@
 };
 
 /// A predicable ARM instruction.
 class InstARM32Pred : public InstARM32 {
   InstARM32Pred() = delete;
   InstARM32Pred(const InstARM32Pred &) = delete;
   InstARM32Pred &operator=(const InstARM32Pred &) = delete;
 
 public:
   InstARM32Pred(Cfg *Func, InstKindARM32 Kind, SizeT Maxsrcs, Variable *Dest,
-                CondARM32::Cond Predicate)
-      : InstARM32(Func, Kind, Maxsrcs, Dest), Predicate(Predicate) {}
+                CondARM32::Cond MyPredicate)
+      : InstARM32(Func, Kind, Maxsrcs, Dest), Predicate(MyPredicate) {}
 
   CondARM32::Cond getPredicate() const { return Predicate; }
   void setPredicate(CondARM32::Cond Pred) { Predicate = Pred; }
 
   static const char *predString(CondARM32::Cond Predicate);
   void dumpOpcodePred(Ostream &Str, const char *Opcode, Type Ty) const;
 
   /// Shared emit routines for common forms of instructions.
   static void emitUnaryopGPR(const char *Opcode, const InstARM32Pred *Inst,
                              const Cfg *Func, bool NeedsWidthSuffix);
@@ skipping 182 matching lines @@
     dumpDest(Func);
     Str << " = ";
     dumpOpcodePred(Str, Opcode, getDest()->getType());
     Str << (SetFlags ? ".s " : " ");
     dumpSources(Func);
   }
   static bool classof(const Inst *Inst) { return isClassof(Inst, K); }
 
 private:
   InstARM32ThreeAddrGPR(Cfg *Func, Variable *Dest, Variable *Src0,
-                        Operand *Src1, CondARM32::Cond Predicate, bool SetFlags)
-      : InstARM32Pred(Func, K, 2, Dest, Predicate), SetFlags(SetFlags) {
+                        Operand *Src1, CondARM32::Cond Predicate,
+                        bool MySetFlags)
+      : InstARM32Pred(Func, K, 2, Dest, Predicate), SetFlags(MySetFlags) {
     addSource(Src0);
     addSource(Src1);
   }
 
   static const char *Opcode;
   bool SetFlags;
 };
 
 // Instructions of the form x := a op1 (y op2 z). E.g., multiply accumulate.
 template <InstARM32::InstKindARM32 K>
@@ skipping 437 matching lines @@
 // Declare partial template specializations of emit() methods that
 // already have default implementations.  Without this, there is the
 // possibility of ODR violations and link errors.
 
 template <> void InstARM32Movw::emit(const Cfg *Func) const;
 template <> void InstARM32Movt::emit(const Cfg *Func) const;
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEINSTARM32_H