https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101463
Patrick Palka <ppalka at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ppalka at gcc dot gnu.org Ever confirmed|0 |1 Status|UNCONFIRMED |NEW Known to work| |6.2.0 Summary|Using a constexpr variable |[11/12/13/14 |template specialization as |Regression]Using a |default argument for |constexpr variable template |non-type template parameter |specialization as default |of reference type leads gcc |argument for non-type |to reject function call |template parameter of | |reference type leads gcc to | |reject function call Last reconfirmed| |2023-12-17 Target Milestone|--- |11.5 --- Comment #1 from Patrick Palka <ppalka at gcc dot gnu.org> --- GCC 6.1/6.2 accepts (with -std=c++17), we started ICEing on this testcase after r7-5370-gb4ba0852099ad2, and then rejecting it after r8-7014-ge8ef9fdfb9fd4b.