SetFinalizer(p.pinner, func(i *pinner) {
				if len(i.refs) != 0 {
					i.unpin() // only required to make the test idempotent
					pinnerLeakPanic()
				}
			})
		}
	}
	ptr := pinnerGetPtr(&pointer)
	if setPinned(ptr, true) {
		p.refs = append(p.refs, ptr)
	}
}

// Unpin unpins all pinned objects of the [Pinner].
func (p *Pinner) Unpin() {
	p.pinner.unpin()

	mp := acquirem()