Crash in xdisp.c

[Christoph Conrad]

In GNU Emacs 21.3.50.1 (i386-msvc-nt4.0.1381)
 of 2002-12-10 on CLI119
configured using `configure --with-msvc (12.00)'

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: DE
  locale-coding-system: iso-latin-1
  default-enable-multibyte-characters: nil

Crashed in "xdisp.c", pointer row == 0, source line with arrow was
indicated by MS VC++ debugger, but in fact it must be the line over
it.

,----
| void
| set_cursor_from_row (w, row, matrix, delta, delta_bytes, dy, dvpos)
|      struct window *w;
|      struct glyph_row *row;
|      struct glyph_matrix *matrix;
|      int delta, delta_bytes, dy, dvpos;
| {
|     struct glyph *glyph = row->glyphs[TEXT_AREA];
| =>  struct glyph *end = glyph + row->used[TEXT_AREA];
|     int x = row->x;
|     int pt_old = PT - delta;
`----

Stack was:

set_cursor_from_row
try_window_id
redisplay_window
internal_condition_case_1