[Bug tree-optimization/109075] [13 Regression] rnflow hangs at -O3

[tkoenig at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109075

--- Comment #1 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---
Created attachment 54617
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54617&action=edit
rnflow.f90