Remove unused member (& consequently unused parameter) in SA's Call code.

This member became unused in r159559.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159581 91177308-0d34-0410-b5e6-96231b3b80d8

include/clang/StaticAnalyzer/Core/PathSensitive/Calls.h

@@ -405,16 +405,13 @@ public:
 ///
 /// Example: obj.prop += 1;
 class ObjCPropertyAccess : public ObjCMethodCall {
-  const ObjCPropertyRefExpr *PropE;
   SourceRange EntireRange;
 
 public:
-  ObjCPropertyAccess(const ObjCPropertyRefExpr *pe, SourceRange range,
-                     const ObjCMessageExpr *Msg, const ProgramStateRef St,
-                     const LocationContext *LCtx)
-    : ObjCMethodCall(Msg, St, LCtx, CE_ObjCPropertyAccess), PropE(pe),
-      EntireRange(range)
-    {}
+  ObjCPropertyAccess(SourceRange range, const ObjCMessageExpr *Msg,
+                     const ProgramStateRef St, const LocationContext *LCtx)
+    : ObjCMethodCall(Msg, St, LCtx, CE_ObjCPropertyAccess), EntireRange(range)
+  {}
 
   /// \brief Returns true if this property access is calling the setter method.
   bool isSetter() const {

lib/StaticAnalyzer/Core/ExprEngine.cpp

@@ -881,9 +881,8 @@ void ExprEngine::Visit(const Stmt *S, ExplodedNode *Pred,
         if (const BinaryOperator *BO = dyn_cast<BinaryOperator>(syntactic))
           syntactic = BO->getLHS();
 
-        if (const ObjCPropertyRefExpr *PR =
-              dyn_cast<ObjCPropertyRefExpr>(syntactic)) {
-          VisitObjCMessage(ObjCPropertyAccess(PR, PO->getSourceRange(), ME,
+        if (isa<ObjCPropertyRefExpr>(syntactic)) {
+          VisitObjCMessage(ObjCPropertyAccess(PO->getSourceRange(), ME,
                                               Pred->getState(), LCtx),
                            Pred, Dst);
           evaluated = true;