https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63577
Segher Boessenkool <segher at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |segher at gcc dot gnu.org --- Comment #3 from Segher Boessenkool <segher at gcc dot gnu.org> --- The LOG_LINKS take up only a few hundred kB, tops; the gigantic memory use is from of all the garbage RTL produced for all the failed combine attempts.