https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121564
Jerry DeLisle <jvdelisle at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Ever confirmed|0 |1 Status|UNCONFIRMED |WAITING CC| |jvdelisle at gcc dot gnu.org Last reconfirmed| |2025-08-15 --- Comment #1 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> --- Works for me on latest master. $ gfc seggy.f90 jerry@quasar:~/dev/test/tryit$ ./a.out MRE: Calling ad_init subroutine... MRE: ad_init call finished successfully. MRE: n1%val = 7.00000000 Also works with 15.2.1 just released so see if you can update your gfortran and try again.