| // RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++14 |
| // RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++17 |
| // RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++2a -Wc++17-compat |
| |
| namespace inline foo1::foo2::foo3 { // expected-error {{expected identifier or '{'}} expected-error {{use of undeclared identifier 'foo1'}} |
| } |
| |
| inline namespace foo4::foo5::foo6 { // expected-error {{nested namespace definition cannot be 'inline'}}} |
| } |
| |
| #if __cplusplus <= 201402L |
| // expected-warning@+7 {{nested namespace definition is a C++17 extension; define each namespace separately}} |
| // expected-warning@+6 {{inline nested namespace definition is a C++2a extension}} |
| #elif __cplusplus <= 201703L |
| // expected-warning@+4 {{inline nested namespace definition is a C++2a extension}} |
| #else |
| // expected-warning@+2 {{inline nested namespace definition is incompatible with C++ standards before C++2a}} |
| #endif |
| namespace valid1::valid2::inline valid3::inline valid4::valid5 {} |
| // expected-note@-1 2 {{previous definition is here}} |
| |
| #if __cplusplus <= 201402L |
| // expected-warning@+3 {{nested namespace definition is a C++17 extension; define each namespace separately}} |
| #endif |
| //expected-warning@+1 2 {{inline namespace reopened as a non-inline namespace}} |
| namespace valid1::valid2::valid3::valid4::valid5 {} |
| |
| #if __cplusplus <= 201402L |
| // expected-warning@+7 {{nested namespace definition is a C++17 extension; define each namespace separately}} |
| // expected-warning@+6 {{inline nested namespace definition is a C++2a extension}} |
| #elif __cplusplus <= 201703L |
| // expected-warning@+4 {{inline nested namespace definition is a C++2a extension}} |
| #else |
| // expected-warning@+2 {{inline nested namespace definition is incompatible with C++ standards before C++2a}} |
| #endif |
| namespace valid1::valid2::inline valid3::inline valid4::valid5 {} |
| // expected-note@-1 2 {{previous definition is here}} |
| |
| namespace valid1 { |
| namespace valid2 { |
| //expected-warning@+1 {{inline namespace reopened as a non-inline namespace}} |
| namespace valid3 { |
| //expected-warning@+1 {{inline namespace reopened as a non-inline namespace}} |
| namespace valid4 { |
| namespace valid5 { |
| } |
| } // namespace valid4 |
| } // namespace valid3 |
| } // namespace valid2 |
| } // namespace valid1 |
| |