Fixes a rewriting bug of access ivar of a variable cast
to subclass. (Fixes radar 7575882).



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@94444 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/RewriteObjC.cpp b/lib/Frontend/RewriteObjC.cpp
index 35d8dde..19c714d 100644
--- a/lib/Frontend/RewriteObjC.cpp
+++ b/lib/Frontend/RewriteObjC.cpp
@@ -4308,7 +4308,16 @@
                 TypeAsString.c_str(), TypeAsString.size());
     return;
   }
-  
+  if (QT->isObjCObjectPointerType()) {
+    QualType ptee = QT->getAs<ObjCObjectPointerType>()->getPointeeType();
+    std::string TypeAsString = "(struct ";
+    TypeAsString += ptee.getAsString();
+    TypeAsString += "_IMPL *";
+    TypeAsString += ")";
+    ReplaceText(LocStart, endBuf-startBuf+1, 
+                TypeAsString.c_str(), TypeAsString.size());
+      return;    
+  }
   // advance the location to startArgList.
   const char *argPtr = startBuf;