https://gcc.gnu.org/bugzilla/show_bug.cgi?id=38474
--- Comment #97 from Richard Biener <rguenth at gcc dot gnu.org> --- So fixing that makes GCC 11 compile the full testcase at -O1 -g in 18 seconds using about 1GB of memory. That leaves PTA at -O2+ as the biggest offender (it also shows up with the reduced testcase).
