Removed a "TODO" comment as objc1 runtime does not need to do the "TODO".


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44577 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Driver/RewriteTest.cpp b/Driver/RewriteTest.cpp
index 8dd39f5..dcd09af 100644
--- a/Driver/RewriteTest.cpp
+++ b/Driver/RewriteTest.cpp
@@ -2068,7 +2068,7 @@
     Result += CDecl->getName();
     Result += "\"";
   }
-  // TODO: 'ivars' field for root class is currently set to 0.
+  // Set 'ivars' field for root class to 0. Objc1 runtime does not use it.
   // 'info' field is initialized to CLS_META(2) for metaclass
   Result += ", 0,2, sizeof(struct _objc_class), 0";
   if (CDecl->getNumClassMethods() > 0) {