https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69050
Yuri Gribov <tetra2005 at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID --- Comment #2 from Yuri Gribov <tetra2005 at gmail dot com> --- > This will return a consistent answer if low/high ranges are always > subsets or supersets You are right, that's the case which I'm seeing. > If you are encountering a problem, please describe it in more detail. This was detected with a custom debugging tool so not a real bug. I'm closing the issue then.