Add FIXME.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@51585 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/Sema.cpp b/lib/Sema/Sema.cpp
index bb5316a..2c00438 100644
--- a/lib/Sema/Sema.cpp
+++ b/lib/Sema/Sema.cpp
@@ -93,6 +93,7 @@
 
   // FIXME: Move this initialization up to Sema::ActOnTranslationUnitScope()
   // and make sure the decls get inserted into TUScope!
+  // FIXME: And make sure they don't leak!
   if (PP.getLangOptions().ObjC1) {
     TranslationUnitDecl *TUDecl = Context.getTranslationUnitDecl();