https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78975
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2017-01-03 Ever confirmed|0 |1 Severity|normal |enhancement --- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- The standard explicitly says using boost::multiprecision::float128 as a RealType is undefined, but we could accept it as a conforming extension. The suggestion seems like the best way to do that.