Fix assertion violations in fontset_find_font

* src/fontset.c (fontset_find_font): Don't assume REPERTORY
must be a fixnum.

diff --git a/src/fontset.c b/src/fontset.c
index 2c45c95c3a258f971fb61cebb0e540e8c9222eb7..137d28959326b23d323504b1e7207caa9e50887e 100644 (file)
--- a/src/fontset.c
+++ b/src/fontset.c
@@ -575,7 +575,7 @@ fontset_find_font (Lisp_Object fontset, int c, struct face *face,
              break;
            repertory = FONT_DEF_REPERTORY (RFONT_DEF_FONT_DEF (rfont_def));
 
-           if (XFIXNUM (repertory) == charset_id)
+           if (FIXNUMP (repertory) && XFIXNUM_RAW (repertory) == charset_id)
              {
                charset_matched = i;
                break;