https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82110
Eric Gallager <egallager at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2017-09-07 CC| |egallager at gcc dot gnu.org Blocks| |67491 Ever confirmed|0 |1 --- Comment #1 from Eric Gallager <egallager at gcc dot gnu.org> --- Confirmed that g++ errors where you say it does: $ /usr/local/bin/g++ -c -fconcepts -std=c++1z 82110.cc 82110.cc: In function ‘int main()’: 82110.cc:17:5: error: static assertion failed static_assert(!D<X>); // error ^~~~~~~~~~~~~ $ Referenced Bugs: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67491 [Bug 67491] [meta-bug] concepts issues