https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105930
--- Comment #24 from Linus Torvalds <torva...@linux-foundation.org> --- (In reply to Linus Torvalds from comment #23) > > And this now brings back my memory of the earlier similar discussion - it > wasn't about DImode code generation, it was about bitfield code generation > being horrendous, Searching around, it's this one from 2011: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48696 not really related to this issue, apart from the superficially similar issue with oddly bad code generation.