Crash a RISC machine from user-mode code

[trawick at bigbird.rtp.dg.com]

I tried crashme on a DG Aviion which is based on the Motorola 88100.
The system was running DG/UX 4.30.  I compiled it with (Gnu) cc.
Crashme reports catching 25 signals before it terminates.  It
certainly doesn't crash the machine.