Hacker News Reader

AFAIK Go’s spec allows relocating objects. The door towards a moving GC is kept open.

There are so many packages that only work with GODEBUG=cgocheck=0 that practically that door is closed

not really that many...

I wouldn't be so sure. ByteDance (TikTok) implemented a moving GC for Go: https://youtu.be/DpQgJ06ZjGc?si=FviWDGa7HhBRBrO1