commit bash-20190130 snapshot

lib/readline/search.c

@@ -256,6 +256,7 @@ _rl_nsearch_abort (_rl_search_cxt *cxt)
   rl_clear_message ();
   rl_point = cxt->save_point;
   rl_mark = cxt->save_mark;
+  _rl_fix_point (1);
   rl_restore_prompt ();
 
   RL_UNSETSTATE (RL_STATE_NSEARCH);

lib/readline/text.c

@@ -1452,7 +1452,18 @@ rl_change_case (int count, int op)
 	  if  (nwc != wc)	/*  just skip unchanged characters */
 	    {
 	      char *s, *e;
-	      mlen = wcrtomb (mb, nwc, &mps);
+	      mbstate_t ts;
+
+	      memset (&ts, 0, sizeof (mbstate_t));
+	      mlen = wcrtomb (mb, nwc, &ts);
+	      if (mlen < 0)
+		{
+		  nwc = wc;
+		  memset (&ts, 0, sizeof (mbstate_t));
+		  mlen = wcrtomb (mb, nwc, &ts);
+		  if (mlen < 0)		/* should not happen */
+		    strncpy (mb, rl_line_buffer + start, mlen = m);
+		}
 	      if (mlen > 0)
 		mb[mlen] = '\0';
 	      /* what to do if m != mlen? adjust below */

lib/readline/undo.c

@@ -196,6 +196,7 @@ rl_do_undo (void)
 	/* Undoing deletes means inserting some text. */
 	case UNDO_DELETE:
 	  rl_point = start;
+	  _rl_fix_point (1);
 	  rl_insert_text (rl_undo_list->text);
 	  xfree (rl_undo_list->text);
 	  break;
@@ -204,6 +205,7 @@ rl_do_undo (void)
 	case UNDO_INSERT:
 	  rl_delete_text (start, end);
 	  rl_point = start;
+	  _rl_fix_point (1);
 	  break;
 
 	/* Undoing an END means undoing everything 'til we get to a BEGIN. */