For the record, I'm seeing the exact same thing on a fairly high-performance Linux system. I haven't done any further investigation.
On 13 October 2015 at 07:48, Louis de Forcrand <ol...@bluewin.ch> wrote: > Hello again, > > If I enter 100?100 GNU-APL inexplicably hangs up. > I tried moving up from 90?90 and found that it > "breaks" at around 90?90, although this is not > consistent. > > ^C does nothing. > > Again, I'm on 64-bit Mac OS X 10.10.5, 2009 MacBook Pro. > > ⊣Louis