On Thu, 10 Mar 2022 at 11:53, Jonathan Wakely via Libstdc++ <libstd...@gcc.gnu.org> wrote: > > Tested x86_64-linux, and basic soundness check on vax-dec-netbsdelf.
But apparently not enough of a soundness check, because isnan(__builtin_nan("")) is true for VAX, so GCC seems to have a NaN pattern, despite what I read online about the format. Fix on the way ...