diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index 17a6617..fbf89ae 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -2574,6 +2574,8 @@
 
 /// Collect the instance variables declared in an Objective-C object.  Used in
 /// the creation of structures from objects using the @defs directive.
+/// FIXME: This should be consolidated with CollectObjCIvars as it is also
+/// part of the AST generation logic of @defs.
 static void CollectIvars(ObjCInterfaceDecl *Class, RecordDecl *Record,
                          ASTContext& Ctx,
                          llvm::SmallVectorImpl<Sema::DeclTy*> &ivars) {