http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30162
--- Comment #26 from Thomas Koenig <tkoenig at gcc dot gnu.org> 2012-11-10 14:38:03 UTC --- Is this caused by http://gcc.gnu.org/viewcvs?view=revision&revision=180701 ? Maybe we need to remember if we have a special file after all, or just ignore the error on the truncate.