// The type of the slot is immaterial - it will not be live across
					// any safepoint. Just use a type big enough to hold any register.
					t := LocalSlot{N: e.s.f.NewLocal(c.Pos, types.Int64), Type: types.Int64}
					// TODO: reuse these slots. They'll need to be erased first.
					e.set(t, vid, x, false, c.Pos)
					if e.s.f.pass.debug > regDebug {