https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96018
Dominique d'Humieres <dominiq at lps dot ens.fr> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |9.4 Priority|P3 |P4 Summary|Optimization issue with |[9/10/11 Regression] |external HDF5 library |Optimization issue with | |external HDF5 library Known to fail| |10.1.0, 11.0, 9.3.0 Known to work| |8.4.1 Status|WAITING |NEW CC| |rguenth at gcc dot gnu.org --- Comment #10 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- Confirmed, the change occurred between regions r262584 (2018-07-12, OK) and r263045 (2018-07-28, wrong code). I am not sure this a gfortran bug).