I feel like Debug should be lazily emitted altogether when it’s first used - just a special marker that’s never expanded since 99% of the Debug implementations aren’t used and having the rest marked #[cold] as inline is obviously wrong. Of course implementing it in practice sounds exceptionally difficult.
That being said, even the justifying performance improvement PR was itself a mix of improvements and regressions
That being said, even the justifying performance improvement PR was itself a mix of improvements and regressions