https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113291
--- Comment #4 from Jan Hubicka <hubicka at gcc dot gnu.org> --- There is a cap in want_inline_self_recursive_call_p which gives up on inlining after reaching max recursive inlining depth of 8. Problem is that the tree here is too wide. After early inlining f0 contains 4 calls to f1 and
