for mips/mipsel and riscv32/riscv64 CPUs for
set operators '<=' and '>='.
New tests for this bug report.
tw38549.pp, main source, also included
by tw38549a.pp, tw38549b.pp, tw38459c.pp and tw38459d.pp
with explicit {$packset X}, with X=1,2,4, or 8 added.
git-svn-id: trunk@48874 -