--- old/src/share/vm/memory/collectorPolicy.cpp	2013-07-02 17:37:39.000000000 +0200
+++ new/src/share/vm/memory/collectorPolicy.cpp	2013-07-02 17:37:39.000000000 +0200
@@ -230,6 +230,8 @@
       alignment = lcm(os::large_page_size(), alignment);
   }
 
+  assert(alignment >= min_alignment(), "Must be");
+
   return alignment;
 }