Hi Paul, Am 16.02.22 um 19:49 schrieb Paul Richard Thomas via Fortran: > Hi Harald and Jerry, > > I have gone back to the start and have gone through finalizable derived > type assignments with the F2018 in hand. I have had a dreadful time with > direct by reference function calls and still am struggling with assignment > number 6 in the attached. I would be very grateful if you would run this > testcase for the other brands. please find attached the output of crayftn-12.0.3, NAG 7.0, and Intel 2021.5.0, always both default optimization and -g. The junk in the output for some brands is reproducible. :-( > As soon as I fix the 6th assignment, I will get on to class assignments. Good luck, then. ;-) Cheers, Harald