If its a problem with the NVHPC compilers, then here’s fine. I can add the report directly to on tracker. The caveat being my team’s tracker is not externally accessible.
Alternatively, you can submit an issue to NVBugs via your NVIDIA Developer account page. These then get routed to our team.
Do you have a more complete example or a minimal reproducer? In particular, how are mn, mx, and pbuf declared?