Add transfer function support for ObjCIvarRefExpr.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57654 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/BasicStore.cpp b/lib/Analysis/BasicStore.cpp
index f97f8b2..15a20c8 100644
--- a/lib/Analysis/BasicStore.cpp
+++ b/lib/Analysis/BasicStore.cpp
@@ -48,6 +48,7 @@
   }
 
   virtual RVal getLValue(const GRState* St, const Expr* Ex);
+  virtual RVal getLValue(const GRState* St, const ObjCIvarDecl* D, RVal Base);
   
   virtual Store
   RemoveDeadBindings(Store store, Stmt* Loc, const LiveVariables& Live,
@@ -154,6 +155,11 @@
   return UnknownVal();
 }
 
+RVal BasicStoreManager::getLValue(const GRState* St, const ObjCIvarDecl* D,
+                                  RVal Base) {
+  return UnknownVal();  
+}
+  
 Store BasicStoreManager::SetRVal(Store store, LVal LV, RVal V) {    
   switch (LV.getSubKind()) {      
     case lval::MemRegionKind: {