https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58896
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |DUPLICATE --- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> --- I don't think it's relevant that one of the types is a specialization of the other, the same thing happens with unrelated classes, which is PR 47346. *** This bug has been marked as a duplicate of bug 47346 ***