| // RUN: %clang_cc1 -fsyntax-only -verify -std=c++20 %s |
| |
| // FIXME: We should probably suppress the warning on reopening an inline |
| // namespace without the inline keyword if it's not the first opening of the |
| // namespace in the file, because there's no risk of the inlineness differing |
| // across TUs in that case. |
| |
| namespace NIL {} // expected-note {{previous definition}} |
| inline namespace NIL {} // expected-error {{cannot be reopened as inline}} |
| inline namespace IL {} // expected-note {{previous definition}} |
| namespace IL {} // expected-warning{{inline namespace reopened as a non-inline namespace}} |
| |
| namespace {} // expected-note {{previous definition}} |
| inline namespace {} // expected-error {{cannot be reopened as inline}} |
| namespace X { |
| inline namespace {} // expected-note {{previous definition}} |
| namespace {} // expected-warning {{inline namespace reopened as a non-inline namespace}} |
| } |
| |
| namespace std {} |
| inline namespace std {} // expected-error{{cannot declare the namespace 'std' to be inline}} |
| inline namespace std::foo {} // expected-error{{cannot declare the namespace 'std' to be inline}} |
| // expected-error@-1{{nested namespace definition cannot be 'inline'}} |
| namespace foo::inline std {} // expected-note {{previous definition}} |
| namespace foo { inline namespace std {} } // OK |
| namespace foo { namespace std {} } // expected-warning {{inline namespace reopened as a non-inline namespace}} |
