https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71965
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |rejects-valid Priority|P3 |P2 Known to work| |6.1.0 Target Milestone|7.0 |6.4 Summary|[7 regression] [concepts] |[6/7 regression] [concepts] |Substitution error *after* |Substitution error *after* |failure to satisfy an |failure to satisfy an |earlier constraint |earlier constraint Known to fail| |6.2.0 --- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> --- Hm? > g++-6 -S t.C -std=c++1z -fconcepts t.C: In function ‘int main()’: t.C:9:10: sorry, unimplemented: cannot initialize multi-dimensional array with initializer new T{ (Args&&)args... }; ^~~~~~~~~~~~~~~~~~~~~~~~ same sorry with GCC 6.2 for me.