https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110059
ktkachov at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ktkachov at gcc dot gnu.org --- Comment #3 from ktkachov at gcc dot gnu.org --- 548.exchange2_r was improved in GCC 12 after PR98782 was fixed. I'd suggest you try out a later version of GCC