https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104235
--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
I guess we want
--- a/gcc/cp/parser.cc
+++ b/gcc/cp/parser.cc
@@ -18574,7 +18574,7 @@ cp_parser_template_name (cp_parser* parser,
: parser->context->object_type);
if (scope && TYPE_P (scope)
&& (!CLASS_TYPE_P (scope)
- || (check_dependency_p && dependent_scope_p (scope))))
+ || (check_dependency_p && dependentish_scope_p (scope))))
{
/* We're optimizing away the call to cp_parser_lookup_name, but
we still need to do this. */
because the scope here (L<M>) has dependent bases.
