seen with trunk 20080906

../../xgcc -B../../ -c -DIN_GCC  -DUSE_LIBUNWIND_EXCEPTIONS `echo -g -O2   -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes |sed -e 's/-pedantic//g' -e 's/-Wtraditional//g'`  \
		 -I. -I.. -I../.. -I/build/buildd/gcc-snapshot-20080906/src/gcc/ada -I/build/buildd/gcc-snapshot-20080906/src/gcc/ada/../config -I/build/buildd/gcc-snapshot-20080906/src/gcc/ada/../../include -I/build/buildd/gcc-snapshot-20080906/src/gcc/ada/.. \
		../rts/targext.c -o targext.o
../../xgcc -B../../ -static-libgcc -I- -I../rts -I. -I/build/buildd/gcc-snapshot-20080906/src/gcc/ada -DIN_GCC  -DUSE_LIBUNWIND_EXCEPTIONS `echo -g -O2   -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes |sed -e 's/-pedantic//g' -e 's/-Wtraditional//g'`  -o ../../gnatmake b_gnatm.o a-except.o ali.o ali-util.o s-casuti.o alloc.o atree.o binderr.o butil.o casing.o csets.o debug.o elists.o einfo.o erroutc.o errutil.o err_vars.o fmap.o fname.o fname-uf.o fname-sf.o gnatmake.o gnatvsn.o hostparm.o interfac.o i-c.o i-cstrin.o krunch.o lib.o make.o makeusg.o makeutl.o mlib.o mlib-fil.o mlib-prj.o mlib-tgt.o mlib-tgt-specific.o mlib-utl.o namet.o nlists.o opt.o osint.o osint-m.o output.o prj.o prj-attr.o prj-attr-pm.o prj-com.o prj-dect.o prj-env.o prj-err.o prj-ext.o prj-nmsc.o prj-pars.o prj-part.o prj-proc.o prj-strt.o prj-tree.o prj-util.o rident.o s-exctab.o s-secsta.o s-stalib.o s-stoele.o scans.o scng.o sdefault.o sfn_scan.o s-purexc.o s-htable.o sinfo.o sinput.o sinput-c.o sinput-p.o snames.o stand.o stringt.o styleg.o stylesw.o system.o validsw.o switch.o switch-m.o table.o targparm.o tempdir.o tree_io.o types.o uintp.o uname.o urealp.o usage.o widechar.o  \
		    ../../prefix.o ../../version.o targext.o link.o ../rts/libgnat.a ../../../libiberty/libiberty.a  
../rts/libgnat.a(raise-gcc.o): In function `get_call_site_action_for':
/build/buildd/gcc-snapshot-20080906/build/gcc/ada/rts/raise-gcc.c:759: undefined reference to `_Unwind_GetIPInfo'
collect2: ld returned 1 exit status
make[5]: *** [../../gnatmake] Error 1
make[5]: Leaving directory `/build/buildd/gcc-snapshot-20080906/build/gcc/ada/tools'
make[4]: *** [gnattools-native] Error 2
make[4]: Leaving directory `/build/buildd/gcc-snapshot-20080906/build/gnattools'
make[3]: *** [all-gnattools] Error 2
make[3]: Leaving directory `/build/buildd/gcc-snapshot-20080906/build'
make[2]: *** [bootstrap-lean] Error 2


complete build log at
http://launchpadlibrarian.net/17353387/buildlog_ubuntu-intrepid-ia64.gcc-snapshot_20080906-0ubuntu1_FAILEDTOBUILD.txt.gz