https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109075
--- Comment #12 from Paul Thomas <pault at gcc dot gnu.org> --- (In reply to Paul Thomas from comment #11) > As a final remark from me, rnflow is not hanging but, rather, execution time > becomes quadratic in ndonm (in rnprfm.h) and is already tiresomely long at a > value of 400000, compared with the default 1000001. > > Cheers > > Paul This came back to hit me on the nose, when preparing for FortranCon 2025. -fipa-cp-clone -O2 is sufficient to cause the original to hang. To run the testsuite, I have used CALL RANDOM_NUMBER(genuni) Paul
