| 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++14 |
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| 2 | // RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++17 |
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| 3 | // RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++2a -Wc++17-compat |
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| 4 | |
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| 5 | namespace inline foo1::foo2::foo3 { // expected-error {{expected identifier or '{'}} expected-error {{use of undeclared identifier 'foo1'}} |
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| 6 | } |
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| 7 | |
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| 8 | inline namespace foo4::foo5::foo6 { // expected-error {{nested namespace definition cannot be 'inline'}}} |
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| 9 | } |
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| 10 | |
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| 11 | #if __cplusplus <= 201402L |
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| 12 | // expected-warning@+7 {{nested namespace definition is a C++17 extension; define each namespace separately}} |
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| 13 | // expected-warning@+6 {{inline nested namespace definition is a C++2a extension}} |
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| 14 | #elif __cplusplus <= 201703L |
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| 15 | // expected-warning@+4 {{inline nested namespace definition is a C++2a extension}} |
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| 16 | #else |
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| 17 | // expected-warning@+2 {{inline nested namespace definition is incompatible with C++ standards before C++2a}} |
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| 18 | #endif |
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| 19 | namespace valid1::valid2::inline valid3::inline valid4::valid5 {} |
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| 20 | // expected-note@-1 2 {{previous definition is here}} |
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| 21 | |
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| 22 | #if __cplusplus <= 201402L |
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| 23 | // expected-warning@+3 {{nested namespace definition is a C++17 extension; define each namespace separately}} |
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| 24 | #endif |
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| 25 | //expected-warning@+1 2 {{inline namespace reopened as a non-inline namespace}} |
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| 26 | namespace valid1::valid2::valid3::valid4::valid5 {} |
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| 27 | |
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| 28 | #if __cplusplus <= 201402L |
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| 29 | // expected-warning@+7 {{nested namespace definition is a C++17 extension; define each namespace separately}} |
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| 30 | // expected-warning@+6 {{inline nested namespace definition is a C++2a extension}} |
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| 31 | #elif __cplusplus <= 201703L |
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| 32 | // expected-warning@+4 {{inline nested namespace definition is a C++2a extension}} |
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| 33 | #else |
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| 34 | // expected-warning@+2 {{inline nested namespace definition is incompatible with C++ standards before C++2a}} |
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| 35 | #endif |
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| 36 | namespace valid1::valid2::inline valid3::inline valid4::valid5 {} |
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| 37 | // expected-note@-1 2 {{previous definition is here}} |
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| 38 | |
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| 39 | namespace valid1 { |
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| 40 | namespace valid2 { |
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| 41 | //expected-warning@+1 {{inline namespace reopened as a non-inline namespace}} |
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| 42 | namespace valid3 { |
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| 43 | //expected-warning@+1 {{inline namespace reopened as a non-inline namespace}} |
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| 44 | namespace valid4 { |
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| 45 | namespace valid5 { |
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| 46 | } |
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| 47 | } // namespace valid4 |
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| 48 | } // namespace valid3 |
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| 49 | } // namespace valid2 |
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| 50 | } // namespace valid1 |
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| 51 | |
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| 52 | |
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