[Bug libquadmath/113259] quadmath::nanq not support payload

[g.peterhoff--- via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113259

--- Comment #2 from g.peterh...@t-online.de ---
I'm currently fiddling around with a library for/with boost. I don't need this
kind of incompatibility.