bug#46469: 27.1; `isearch-del-char' should move point further back

[Eli Zaretskii]

> From: Augusto Stoffel <arstoffel@gmail.com>
> Date: Fri, 12 Feb 2021 19:56:36 +0100
> 
> Suppose my buffer contains the text "x1yx2" right after point, and that
> `isearch-del-char' is bound to DEL in Isearch mode.  If I type
> 
>    C-s y DEL x1
> 
> then I would expect the search to succeed: the cursor would first go
> after "y", then return to the starting point of search after pressing
> DEL – this is how `isearch-delete-char' behaves, anyway.
> 
> Instead, the cursor remains after "y" after pressing DEL, and the search
> fails with the cursor after the second "x".  I have attached a patch to
> fix this.

I cannot reproduce this.  Do you see this in "emacs -Q"?