fe support for objc2's nonfragile-abi synthesized ivars.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68077 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/DeclObjC.cpp b/lib/AST/DeclObjC.cpp
index 4d2fcb6..855764f 100644
--- a/lib/AST/DeclObjC.cpp
+++ b/lib/AST/DeclObjC.cpp
@@ -137,6 +137,16 @@
         return *I;
       }
     }
+    // look into properties.
+    for (ObjCInterfaceDecl::prop_iterator I = ClassDecl->prop_begin(),
+         E = ClassDecl->prop_end(); I != E; ++I) {
+      ObjCPropertyDecl *PDecl = (*I);
+      if (ObjCIvarDecl *IV = PDecl->getPropertyIvarDecl())
+        if (IV->getIdentifier() == ID) {
+          clsDeclared = ClassDecl;
+          return IV;
+        }
+    }
     ClassDecl = ClassDecl->getSuperClass();
   }
   return NULL;