@@ -17233,6 +17233,17 @@ cp_parser_enum_specifier (cp_parser* parser)
type, prev_scope, nested_name_specifier);
type = error_mark_node;
}
+ /* If that scope is the scope where the declaration is being placed
+ the program is invalid. */
+ else if (CLASS_TYPE_P (nested_name_specifier)
+ && CLASS_TYPE_P (prev_scope)
+ && same_type_p (nested_name_specifier, prev_scope))
+ {
+ permerror (type_start_token->location,
+ "extra qualification not allowed");
+ type = error_mark_node;
+ nested_name_specifier = NULL_TREE;
+ }
}
if (scoped_enum_p)
@@ -0,0 +1,29 @@
+// PR c++/70513
+// { dg-do compile { target c++11 } }
+
+struct S1
+{
+ enum E : int;
+ enum S1::E : int { X } e; // { dg-error "extra qualification not allowed" }
+};
+
+struct S2
+{
+ enum class E : int;
+ enum class S2::E : int { X } e; // { dg-error "extra qualification not allowed" }
+};
+
+struct S3
+{
+ enum struct E : int;
+ enum struct S3::E : int { X } e; // { dg-error "extra qualification not allowed" }
+};
+
+struct S4
+{
+ struct S5
+ {
+ enum E : char;
+ enum S4::S5::E : char { X } e; // { dg-error "extra qualification not allowed" }
+ };
+};
@@ -0,0 +1,47 @@
+// PR c++/70513
+// { dg-do compile { target c++11 } }
+
+template <typename T>
+class D1
+{
+ enum A : int;
+ enum D1::A : int { foo } c; // { dg-error "extra qualification not allowed" }
+};
+
+template <typename T>
+class D2
+{
+ enum A : int;
+ enum D2<T>::A : int { foo } c; // { dg-error "extra qualification not allowed" }
+};
+
+template <typename T>
+class D3
+{
+ enum D3::A { foo } c; // { dg-error "extra qualification not allowed" }
+};
+
+template <typename T>
+class D4
+{
+ enum D4<T>::A { foo } c; // { dg-error "extra qualification not allowed" }
+};
+
+template <typename T>
+class D5
+{
+ class D6
+ {
+ enum D6::A { foo } c; // { dg-error "extra qualification not allowed" }
+ };
+};
+
+template <typename T>
+class D7
+{
+ class D8
+ {
+ enum A : int;
+ enum D8::A : int { foo } c; // { dg-error "extra qualification not allowed" }
+ };
+};