Avoid dereferencing a past-the-end iterator

diff --git a/include/deal.II/base/utilities.h b/include/deal.II/base/utilities.h
index 9990ecbd036e70dd2a6cf2a908167c36677a2795..255b70095985eb0ad941f6f8ae5de35eab88730a 100644 (file)
--- a/include/deal.II/base/utilities.h
+++ b/include/deal.II/base/utilities.h
@@ -1307,7 +1307,7 @@ namespace Utilities
 #else
         (void)allow_compression;
 #endif
-        fisb.push(boost::iostreams::array_source(&*cbegin, &*cend));
+        fisb.push(boost::iostreams::array_source(&*cbegin, cend - cbegin));
 
         boost::archive::binary_iarchive bia(fisb);
         bia >> object;
@@ -1355,7 +1355,7 @@ namespace Utilities
 #else
         (void)allow_compression;
 #endif
-        fisb.push(boost::iostreams::array_source(&*cbegin, &*cend));
+        fisb.push(boost::iostreams::array_source(&*cbegin, cend - cbegin));
 
         boost::archive::binary_iarchive bia(fisb);
         bia >> unpacked_object;