https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64331
Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2014-12-16
CC| |ebotcazou at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #3 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
Right, RTL passes aren't required to maintain REG_DEAD/REG_UNUSED notes, it's
the job of the DF framework. And this is not done automatically, the consumers
of the notes must request it by means of df_note_add_problem prior to calling
the DF analyzer.
