| // RUN: %clang_cc1 -std=c++11 -verify %s | |
| // RUN: %clang_cc1 -std=c++17 -verify %s | |
| // RUN: %clang_cc1 -std=c++20 -verify %s | |
| enum class EC { ec }; | |
| using EC::ec; | |
| #if __cplusplus < 202002 | |
| // expected-warning@-2 {{using declaration naming a scoped enumerator is a C++20 extension}} | |
| #else | |
| // expected-no-diagnostics | |
| #endif |