* src/autofit/afhints.c (af_get_segment_index): Fix it.

The old code was too simple, returning invalid values in most cases
where a segment crosses the contour start.

ChangeLog

@@ -1,3 +1,10 @@
+2015-11-15  Werner Lemberg  <wl@gnu.org>
+
+	* src/autofit/afhints.c (af_get_segment_index): Fix it.
+
+	The old code was too simple, returning invalid values in most cases
+	where a segment crosses the contour start.
+
 2015-11-15  Werner Lemberg  <wl@gnu.org>
 
 	* src/bdf/bdflib.c (bdf_load_font): Fix small memory leak (#46439).

src/autofit/afhints.c

@@ -257,11 +257,23 @@
       }
       else
       {
-        if ( point >= segment->first || point <= segment->last )
-          break;
+        AF_Point  p = segment->first;
+
+
+        for (;;)
+        {
+          if ( point == p )
+            goto Exit;
+
+          if ( p == segment->last )
+            break;
+
+          p = p->next;
+        }
       }
     }
 
+  Exit:
     if ( segment == limit )
       return -1;