| // PR c++/66092 | |
| // { dg-do compile { target c++20 } } | |
| template <typename T, typename U, typename... Args> | |
| concept Similar = true; | |
| template <typename... Args> | |
| requires Similar<Args...> // { dg-error "pack expansion" } | |
| void foo( Args... args ) {} | |
| int main() | |
| { | |
| foo(1, 2, 3); // { dg-error "" } | |
| } |