Hi there,
I've build the current release some minutes ago, and now I get this message:

assertion "c < NCHARS" failed: file "/usr/src/dist/nawk/b.c", line 890, 
function "cgoto"
[1]   Abort trap (core dumped) /usr/bin/awk "/#...

So I suppose something has been changed in nawk, and it now fails 
everytime it is invoked.

Vincent