been around for over a year w/no bugs
Stable for HPPA.
I tested sys-devel/bison-2.4.1 by rebuilding world on a mostly stable x86 system with tests enabled. I got no problem related to bison.
amd64 done
x86 stable, thanks Didier
ppc stable
ppc64 done
alpha/arm/ia64/m68k/s390/sh/sparc stable, closing