https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78702
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED Target Milestone|--- |7.0 --- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> --- Should be fixed for gcc 7. In general we still don't support building libstdc++ with Clang, and if you are reporting bugs with unsupported setups please be sure to make it clear what strange configuration y9ou're using.