Add a new expression class, ObjCSuperExpr, to handle the Objective-C 'super'. Remove ObjCThis from PredefinedExpr

llvm-svn: 58698
diff --git a/clang/lib/Analysis/CheckObjCDealloc.cpp b/clang/lib/Analysis/CheckObjCDealloc.cpp
index e41c827..8628ff1 100644
--- a/clang/lib/Analysis/CheckObjCDealloc.cpp
+++ b/clang/lib/Analysis/CheckObjCDealloc.cpp
@@ -30,9 +30,7 @@
     if (ME->getSelector() == Dealloc)
       if(ME->getReceiver())
         if (Expr* Receiver = ME->getReceiver()->IgnoreParenCasts())
-          if (PredefinedExpr* E = dyn_cast<PredefinedExpr>(Receiver))
-            if (E->getIdentType() == PredefinedExpr::ObjCSuper)
-              return true;
+          return isa<ObjCSuperExpr>(Receiver);
 
   // Recurse to children.