[Bug fortran/127631] rnflow hangs with higher optimiztaion

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127631

--- Comment #3 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---
Created attachment 65701
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=65701&action=edit
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