src/share/vm/opto/loopopts.cpp

*** 770,779 ****
--- 770,782 ----
          if (m->is_FastLock())
            return false;
  #ifdef _LP64
          if (m->Opcode() == Op_ConvI2L)
            return false;
+         if (m->is_CastII() && m->isa_CastII()->has_range_check()) {
+           return false;
+         }
  #endif
        }
      }
    }
    return true;