On Mon, Oct 16, 2023 at 2:58 PM Michael Paquier <mich...@paquier.xyz> wrote: > Another theory would be one of these weird compiler optimization issue > from xlc? In recent history, there was 8d2a01ae12cd.
Yeah, there are more like that too. xlc 12.1 is dead (like the OS version it shipped with). New versions are available on cfarm if we care about this target. But I am conscious of the cosmic law that if you blame the compiler too soon you can cause the bug to move into your code...