[Indic] Adjust base after sorting

src/hb-ot-shape-complex-indic.cc

@@ -363,9 +363,18 @@ initial_reordering_consonant_syllable (const hb_ot_map_t *map, hb_buffer_t *buff
       info[i].indic_position() = info[i - 1].indic_position();
 
   /* We do bubble-sort, skip malicious clusters attempts */
-  /* Sit tight, rock 'n roll! */
   if (end - start < 20)
+  {
+    /* Sit tight, rock 'n roll! */
     hb_bubble_sort (info + start, end - start, compare_indic_order);
+    /* Find base again */
+    base = end;
+    for (i = start; i < end; i++)
+      if (info[i].indic_position() == POS_BASE_C) {
+        base = i;
+	break;
+      }
+  }
 
   /* Setup masks now */