Index: DefaultLayout.h
===================================================================
--- DefaultLayout.h
+++ DefaultLayout.h
@@ -205,8 +205,10 @@

   /// \brief find a absolute atom given a name
   AbsoluteAtomIterT findAbsoluteAtom(StringRef name) {
-    return std::find_if(_absoluteAtoms.begin(), _absoluteAtoms.end(),
+    auto ret = std::find_if(_absoluteAtoms.begin(), _absoluteAtoms.end(),
                         FindByName(name));
+    assert (ret != _absoluteAtoms.end());
+    return ret;
   }

   // Output sections with the same name into a OutputSection