https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59568
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2017-12-12 Ever confirmed|0 |1 --- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> --- Reduced: #include <sstream> #include <complex> #include <assert.h> int main () { std::istringstream in; std::complex<double> c; in >> c; assert(in.fail()); assert(in.eof()); }