http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48773
Eric Botcazou <ebotcazou at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2011.04.28 20:48:36 CC| |ebotcazou at gcc dot | |gnu.org Ever Confirmed|0 |1 Severity|major |normal --- Comment #5 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2011-04-28 20:48:36 UTC --- This is a known issue introduced by the DF merge. I think that the current state of affairs is that the passes consuming REG_DEAD/REG_UNUSED notes have to invoke df_note_add_problem on entry.