| // RUN: %clang_cc1 -fsyntax-only -std=c++2a -verify %s | |
| struct [[nodiscard]] S1 {}; // ok | |
| struct [[nodiscard nodiscard]] S2 {}; // expected-error {{attribute 'nodiscard' cannot appear multiple times in an attribute specifier}} | |
| struct [[nodiscard("Wrong")]] S3 {}; | |
| [[nodiscard]] int f(); | |
| enum [[nodiscard]] E {}; | |
| namespace [[nodiscard]] N {} // expected-warning {{'nodiscard' attribute only applies to Objective-C methods, enums, structs, unions, classes, functions, and function pointers}} |