Subzero: Add -Wshadow to the build.

src/IceInstARM32.h

Index: src/IceInstARM32.h
diff --git a/src/IceInstARM32.h b/src/IceInstARM32.h
index 8a7e1da3e702852ecceb9c60f8362f0c211e6044..4253fabc4d0eb8e1bec174fdc2b26db2a7d8daa6 100644
--- a/src/IceInstARM32.h
+++ b/src/IceInstARM32.h
@@ -316,8 +316,8 @@ class InstARM32Pred : public InstARM32 {
 
 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; }
@@ -520,8 +520,9 @@ public:
 
 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);
   }