Small example of livelock regression in garbage collector for GCJ 3.3 under Win32

[Andrew Haley]

Øyvind Harboe writes:
 >  > 
 > >I take it that this is a null pointer exception.  Presumably 
 > >throwing any exception here would do the same thing.  Did you tyr?
 > 
 > I tried with "throw new Exception();". No livelock.

Right, so it's related to the way that null pointer exceptions are
caught on Win32.  That's weird, because I thought that platform
generated pointer checks.

Andrew.