bug#32607: 27.0.50; pop-to-buffer in next-error-no-select

[martin rudalics]

> Suppose we have such customization:
>
>    (setq display-buffer-alist '(("\\`\\*grep\\*\\'" 
display-buffer-same-window)))
>
> Now after running grep with a non-empty output in ‘emacs -Q’,
> typing ‘C-o’ (compilation-display-error) will display two identical
> buffers instead of displaying the buffer with the found grep hit.
>
> The problem is with pop-to-buffer in next-error-no-select.
> I wonder what is an idiomatic way to ensure a buffer is already
> displayed in some window, to not display the same buffer
> in other window?

I'm not quite sure I understand: Is there a reason you did not supply
'display-buffer-reuse-window' in the above customization?

martin