*** old/src/share/vm/oops/klass.hpp	Mon Aug 19 13:45:28 2013
--- new/src/share/vm/oops/klass.hpp	Mon Aug 19 13:45:28 2013

*** 350,360 ****
--- 350,361 ----
      return (BasicType) btvalue;
    }
    static int layout_helper_log2_element_size(jint lh) {
      assert(lh < (jint)_lh_neutral_value, "must be array");
      int l2esz = (lh >> _lh_log2_element_size_shift) & _lh_log2_element_size_mask;
-     assert(l2esz <= LogBitsPerLong, "sanity");
+         err_msg("sanity. l2esz: 0x%x for lh: 0x%x", (uint)l2esz, (uint)lh));
      return l2esz;
    }
    static jint array_layout_helper(jint tag, int hsize, BasicType etype, int log2_esize) {
      return (tag        << _lh_array_tag_shift)
        |    (hsize      << _lh_header_size_shift)