https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105577
--- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Martin Liška from comment #6) > With -fdelete-dead-exceptions, it started with r12-248-gb58dc0b803057c0e. > The reduction is pretty slow.. That just exposed the issue I think since the failure is at the rtl level while that change effects things way before in gimple.