bug#39972: 28.0.50; which-function no longer returning current Java method in Emacs 27

[Eli Zaretskii]

> From: Philipp Stephani <p.stephani2@gmail.com>
> Date: Thu, 21 May 2020 19:24:15 +0200
> Cc: Alan Mackenzie <acm@muc.de>, 39972@debbugs.gnu.org
> 
> > The fixes (especially the one for which-func) are too risky for the
> > release branch.  Is it possible to come up with something simpler for
> > emacs-27?  What change(s) caused the regression, exactly?
> 
> git bisect says the commit that broke this was
> [0613e7a38efc3b0534e0ca5c5fa401e2a3bda906] which-function: Do not
> display outdated imenu information

Thanks for investigating this.