Nightly build 2024.12.06

What's Changed

Toolchain and implementation changes 🛠️

• Remove InstId::Builtin members by @jonmeow in #4632
• In indirect_import_member test, make the alias avoid name poisoning by @bricknerb in #4635
• Change the IdBase operator== to fix reversed operator warnings by @jonmeow in #4636
• Convert unsupported qualifier test to be no_prelude. by @zygoloid in #4639
• Finish removing BuiltinInstKind by @jonmeow in #4637
• Remove some assumptions that the object representation for a type is that type itself. by @zygoloid in #4640

Documentation changes 📝

• Add video from LLVM Dev meeting by @jonmeow in #4641

Infrastructure changes 🏗️

• Enable gdb_index unconditionally for gdb usage by @dwblaikie in #4642

Full Changelog: v0.0.0-0.nightly.2024.12.05...v0.0.0-0.nightly.2024.12.06