https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102631
--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Richard Biener from comment #5) > We run into > > MAX_CHAIN_LEN exceeded: 6 This has increased to 12 recently for PR 120924. > > and when I up that also into > > cycle detected > > and then > > param_uninit_control_dep_attempts exceeded: 1001 > > so we get a pruned predicate for the DEF. > > The testcase is too unwieldly to more thoroughly analyze :/