f51c2e0189
After the aux vector is moved, it is necessary to re-digest aux_info so the pointers are updated to the new locations. This was causing thread creation to fail on powerpc64 when using direct execution due to a nonsense value being read for aux_info[AT_STACKPROT]. Approved by: jhibbits (mentor) Differential Revision: https://reviews.freebsd.org/D21656