https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102300
Jason Merrill <jason at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|[10/11/12 Regression] |[10/11 Regression] |Qualified name of same |Qualified name of same |template in class template |template in class template |is rejected |is rejected Known to fail|12.0 | Known to work| |12.0 --- Comment #4 from Jason Merrill <jason at gcc dot gnu.org> --- Fixed for 12 so far.