Mirror the fix for the native i386 implementation from r218327. This code is compiled only when the non-default COMPAT_43 option is configured. Reported by: Ilja Van Sprundel <ivansprundel@ioactive.com> Reviewed by: kib MFC after: 3 days Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D18298