Hi,
i understand this is a gcc bug, latest guile-gnome arch crashes it:
gcc -DHAVE_CONFIG_H -I. -I. -I../../.. -I../../../glib/gnome/gobject -I. -I. -Wall -Werror -g -DXTHREADS -I/usr/include/gtk-2.0 -I/usr/lib/gtk-2.0/include -I/usr/X11R6/include -I/usr/include/atk-1.0 -I/usr/include/pango-1.0 -I/usr/include/freetype2 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/local/include -std=gnu99 -I/usr/local/include -g -O2 -MT libgw_guile_gnome_gtk_la-guile-gnome-gw-gtk.lo -MD -MP -MF .deps/libgw_guile_gnome_gtk_la-guile-gnome-gw-gtk.Tpo -c guile-gnome-gw-gtk.c -fPIC -DPIC -o .libs/libgw_guile_gnome_gtk_la-guile-gnome-gw-gtk.o
gcc: Internal error: Killed (program cc1)