This section of the code says, in full:

                    }
                }
      Variables.Profiler.Profile("Disambiguate");
            }
            catch (Exception ex)
            {
                ErrorHandler.HandleException(ex);

                // don't remove page over regex error – page itself is not at fault
                if (!ex.StackTrace.Contains("System.Text.RegularExpressions"))
                    theArticle.Trace.AWBSkipped("Exception:" + ex.Message);
                else
                    Skippable = false;
                Stop();
                StopDelayedAutoSaveTimer();
            }
            finally
            {
                Variables.Profiler.Flush();
            }
        }

        bool _diffAccessViolationSeen;