This test fails:
+FAIL: g++.dg/cpp23/auto-fncast11.C -std=c++2b (test for errors, line 19)
+FAIL: g++.dg/cpp23/auto-fncast11.C -std=c++2b (test for excess errors)
because the regex in dg-error was missing an indefinite article.
2021-12-15 Jakub Jelinek <jakub@redhat.com>
PR c++/103408
* g++.dg/cpp23/auto-fncast11.C: Fix expected diagnostic wording.
static_assert(!requires { requires auto(false); });
static_assert(!requires { requires auto(auto(false)); });
-auto f() requires (auto(false)); // { dg-error "constraints on non-templated" }
+auto f() requires (auto(false)); // { dg-error "constraints on a non-templated" }