https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59002 Bug 59002 depends on bug 58896, which changed state.
Bug 58896 Summary: Incorrect handling of a private nested type of a template specialization in the main template https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58896 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |DUPLICATE
