Patch support for clang till cpp20.

[ninetailedtori]

No description provided.

[shdwmtr]

oh whoops I had a local commit I forgot to push. the "missing" functions are in next now

[ninetailedtori]

noice :3 I'm gonna remove my makeshift ones then!

[shdwmtr]

Thanks for the PR! One small thing before merging:

has_loaded_core_plugin: this field is initialized to false in the constructor but never read or written to again. It can be removed entirely rather than marked [[maybe_unused]].

Everything else looks good, the linux_legacy.cc cleanup is clean.

[ninetailedtori]

Thanks for the PR! One small thing before merging:

has_loaded_core_plugin: this field is initialized to false in the constructor but never read or written to again. It can be removed entirely rather than marked [[maybe_unused]].

Everything else looks good, the linux_legacy.cc cleanup is clean.

Smashed that fix, ready to merge!