@@ -2352,7 +2352,8 @@ dump_expr (cxx_pretty_printer *pp, tree t, int flags)
if (INDIRECT_REF_P (ob))
{
ob = TREE_OPERAND (ob, 0);
- if (!is_this_parameter (ob))
+ if (!is_this_parameter (ob)
+ && !is_dummy_object (ob))
{
dump_expr (pp, ob, flags | TFF_EXPR_IN_PARENS);
if (TYPE_REF_P (TREE_TYPE (ob)))
@@ -16196,6 +16196,16 @@ tsubst_baselink (tree baselink, tree object_type,
if (IDENTIFIER_CONV_OP_P (name))
name = make_conv_op_name (optype);
+ /* See maybe_dependent_member_ref. */
+ if (dependent_scope_p (qualifying_scope))
+ {
+ if (template_id_p)
+ name = build2 (TEMPLATE_ID_EXPR, unknown_type_node, name,
+ template_args);
+ return build_qualified_name (NULL_TREE, qualifying_scope, name,
+ /* ::template */false);
+ }
+
if (name == complete_dtor_identifier)
/* Treat as-if non-dependent below. */
dependent_p = false;
new file mode 100644
@@ -0,0 +1,11 @@
+// PR c++/98929
+// { dg-do compile { target c++17 } }
+
+template <typename T>
+struct A {
+ void foo ();
+ using c = decltype (foo ());
+ A (c); // { dg-message {decltype \(A<T>::foo} }
+};
+A d; // { dg-error "deduction failed" }
+// { dg-error "no match" "" { target *-*-* } .-1 }