bug#58158: 29.0.50; [overlay] Interval tree iteration considered harmful

[Eli Zaretskii]

> Date: Fri, 7 Oct 2022 01:36:17 +0300
> Cc: 58158@debbugs.gnu.org, monnier@iro.umontreal.ca
> From: Dmitry Gutov <dgutov@yandex.ru>
> 
> On 30.09.2022 09:11, Eli Zaretskii wrote:
> > "M-x xref-query-replace-in-results RET"
> 
> JFYI this command has the convenient binding 'r' in Xref output buffers.

It also works only when invoked from the Xref buffer, right?

Btw, what am I doing wrong below?

 emacs -Q
 C-x C-f src/character.h RET
 M-x visit-tags-table RET RET
 M-. char_string RET
 r whatever RET

Unexpected result: "No suitable matches here".  Huh? what did I miss?