https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56480
Markus Trippelsdorf <trippels at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |rejects-valid CC| |jason at gcc dot gnu.org --- Comment #5 from Markus Trippelsdorf <trippels at gcc dot gnu.org> --- Two possible fixes: 1) diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c index 2cf10f442f68..09a545496fa8 100644 --- a/gcc/cp/pt.c +++ b/gcc/cp/pt.c @@ -785,8 +785,12 @@ check_specialization_namespace (tree tmpl) return true; else { - permerror (input_location, "specialization of %qD in different namespace", tmpl); - permerror (input_location, " from definition of %q+#D", tmpl); + if (cxx_dialect < cxx11) + { + permerror (input_location, "specialization of %qD in different " + "namespace", tmpl); + permerror (input_location, " from definition of %q+#D", tmpl); + } return false; } } 2) diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c index 2cf10f442f68..1171b5d736d5 100644 --- a/gcc/cp/pt.c +++ b/gcc/cp/pt.c @@ -780,15 +780,15 @@ check_specialization_namespace (tree tmpl) error ("specialization of %qD must appear at namespace scope", tmpl); return false; } - if (is_associated_namespace (current_namespace, tpl_ns)) - /* Same or super-using namespace. */ - return true; - else + if (!is_associated_namespace (current_namespace, tpl_ns) && + (cxx_dialect < cxx11)) { permerror (input_location, "specialization of %qD in different namespace", tmpl); permerror (input_location, " from definition of %q+#D", tmpl); return false; } + + return true; } /* SPEC is an explicit instantiation. Check that it is valid to The following testcases: g++.dg/template/spec17.C g++.dg/template/spec25.C g++.dg/template/spec36.C g++.old-deja/g++.ns/template13.C g++.old-deja/g++.pt/explicit73.C g++.old-deja/g++.pt/lookup10.C would have to be updated.