https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91826
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2019-09-23 CC| |nathan at gcc dot gnu.org Known to work| |7.4.0 Summary|Unexpected behavior when |[8/9/10 Regression] |class defined with |Unexpected behavior when |namespace alias |class defined with | |namespace alias Ever confirmed|0 |1 Known to fail| |10.0, 8.3.0, 9.2.0 --- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> --- Started to be rejected with r248095 * cp-tree.h (SCOPE_DEPTH): New. * name-lookup.h (is_nested_namespace): Declare. * name-lookup.c (is_nested_namespace): New. (is_ancestor): Use it. (set_decl_namespace): Likewise. (push_namespace): Set SCOPE_DEPTH. * pt.c (check_specialization_namespace): Use is_nested_namespace. (check_unqualigied_spec_or_inst): Likewise.