fpe seen (again) in dev mc10_all_nofpe rtt test: 

https://atlasrtt.cern.ch/rtt/rel_4/dev/build/i686-slc5-gcc43-opt/offline/recexanatest/mc10_all_nofpe/mc10_all_nofpe_log

+verbatim+
_zn3trk18gxfmaterialeffectsc1epkns_22materialeffectsontrackepkns_5layere + 0xad [.../atlasreconstruction/rel_4/.../lib/libtrkglobalchi2fitter.so]
-verbatim-

according to c++filt this symbol translates to
+verbatim+ trk::gxfmaterialeffects::gxfmaterialeffects(trk::materialeffectsontrack const*, trk::layer const*)
-verbatim-

cheers,
andy
as sw val shifter
