[Bug target/72851] [6/7 Regression] memory hog with -O3 on s390x-linux-gnu

[doko at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72851

--- Comment #5 from Matthias Klose <doko at gcc dot gnu.org> ---
configured --with-arch=zEC12, I can reproduce it with a cross as well. so maybe
check with -march=zEC12?