add a fixme.

llvm-svn: 62142
diff --git a/clang/lib/Analysis/RegionStore.cpp b/clang/lib/Analysis/RegionStore.cpp
index 2d71117..20cf38f 100644
--- a/clang/lib/Analysis/RegionStore.cpp
+++ b/clang/lib/Analysis/RegionStore.cpp
@@ -969,6 +969,8 @@
     if (const SubRegion* sr = dyn_cast<SubRegion>(r))
       if (sr->isSubRegionOf(R))
         store = Remove(store, Loc::MakeVal(sr));
+    // FIXME: Maybe we should also remove the bindings for the "views" of the
+    // subregions.
   }
 
   return StateMgr.MakeStateWithStore(St, store);