0f947d4ff9
Since e06109c23ce2a6dd53d32c26a89ab46a952d7373 we keep old theme nodes valid during the emission of the "custom-stylesheets-changed" signal. It turns out that we might still look up the file of a stylesheet using the files_by_stylesheet hashtable during the emission of that signal, causing a crash because the assertion in _st_theme_resolve_url() fails. So fix that and remove the stylesheet entry from the files_by_stylesheet hashtable after emitting the "custom-stylesheets-changed" signal. And to be consistent, also remove the entry from the stylesheets_by_file hashtable after emitting the signal. Fixes: https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/2757
GNOME Shell
GNOME Shell provides core user interface functions for the GNOME 3 desktop, like switching to windows and launching applications. GNOME Shell takes advantage of the capabilities of modern graphics hardware and introduces innovative user interface concepts to provide a visually attractive and easy to use experience.
For more information about GNOME Shell, including instructions on how to build GNOME Shell from source and how to get involved with the project, see the project wiki.
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