https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122624
--- Comment #8 from Andrew Pinski <pinskia at gcc dot gnu.org> --- I have a testcase which fails with `-O2 -fdump-tree-all-details` but works with `-O2`. I ran valgrind on cc1 and the only thing that sticked out was IRA/LRA and some DF related uninitialization stuff but nothing gimple level.
