Under qemu-system-alpha I get 680e800000000000 as well.
Under qemu-alpha (versions 2.8.1, 2.9.0, 2.10.0, 2.11.0, 2.12.0, 3.1.0) I get 600e800000000000, i.e. bit 59 is unset.
Under qemu-system-alpha I get 680e800000000000 as well.
Under qemu-alpha (versions 2.8.1, 2.9.0, 2.10.0, 2.11.0, 2.12.0, 3.1.0) I get 600e800000000000, i.e. bit 59 is unset.