LibreOffice has a pile of clang plugins for analysing their huge and somewhat smelly C++ codebase. They&#x27;ve caught and repaired some <i>horrible</i> code with these. Pretty sure they ran iwyu over it as well.<p>howto: <a href="https:&#x2F;&#x2F;wiki.documentfoundation.org&#x2F;Development&#x2F;Clang_plugins" rel="nofollow">https:&#x2F;&#x2F;wiki.documentfoundation.org&#x2F;Development&#x2F;Clang_plugin...</a><p>code: <a href="http:&#x2F;&#x2F;cgit.freedesktop.org&#x2F;libreoffice&#x2F;core&#x2F;tree&#x2F;compilerplugins" rel="nofollow">http:&#x2F;&#x2F;cgit.freedesktop.org&#x2F;libreoffice&#x2F;core&#x2F;tree&#x2F;compilerpl...</a>