https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108687
--- Comment #2 from Stefan Schulze Frielinghaus <stefansf at linux dot ibm.com> --- (In reply to Stefan Schulze Frielinghaus from comment #0) > Running gcc -O3 -c t.c on s390x does not terminate. More specifically: gcc -O3 -march=z13 -c t.c