| // PR c++/67257 | |
| // { dg-do compile { target c++14 } } | |
| template <typename> struct plus; | |
| template <typename> struct A { | |
| template <typename T> auto operator()(T); | |
| } foldl; // { dg-error "" } | |
| void foo() { foldl<plus<int>>(0); } | |
| // { dg-prune-output "not declared" } | |
| // { dg-prune-output "expected" } |