+ support 6-byte records in registers in thlcgcpu.location_force_mem on the i8086; this fixes the handling of methodpointers typecasted to record (TMethod) in medium and compact memory models

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@25500 3ad0048d-3df7-0310-abae-a5850022a9f2