https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59173
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |10.4 Known to fail| |10.1.0, 4.8.5 Summary|Alias template in partial |[10/11 Regression] Alias |specialization finds name |template in partial |from primary template |specialization finds name | |from primary template Known to work| |4.9.0, 7.5.0, 9.3.0, 9.4.0 --- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> --- So this was fixed in 4.9 and then broke again in GCC 10 so it is a regression.