bug#30990: Should the byte compiler warn about :type mismatches?

[Eli Zaretskii]

> From: Stefan Kangas <stefan@marxist.se>
> Date: Sat, 28 Sep 2019 21:00:22 +0200
> Cc: Alex Branham <alex.branham@gmail.com>, 30990@debbugs.gnu.org
> 
> The following options might have problems:
> sql-password-wallet
> tramp-default-host-alist
> display-fill-column-indicator-character
> bibtex-string-file-path
> js-jsx-indent-level
> bibtex-file-path
> sql-use-indent-support
> sql-postgres-login-params
> winner-boring-buffers-regexp
> add-log-dont-create-changelog-file
> nnir-notmuch-filter-group-names-function
> flymake-cc-command
> 
> Since we're getting closer to the release of Emacs 27.1, perhaps we
> should sort these out.

We should, but bugs like this can be fixed even after the emacs-27
branch is cut.