https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83906
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2018-01-19 Ever confirmed|0 |1 --- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> --- That suggests the type printer for std::__cxx11::string is not being used, so maybe it's conflicting with another printer, and so the result depends which gets found first.