| 1 | // RUN: %clang_cc1 -std=c++1z -verify %s |
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| 2 | |
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| 3 | [[disable_tail_calls, noduplicate]] void f() {} // expected-warning {{unknown attribute 'disable_tail_calls'}} expected-warning {{unknown attribute 'noduplicate'}} |
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| 4 | |
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| 5 | [[using clang: disable_tail_calls, noduplicate]] void g() {} // ok |
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| 6 | |
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| 7 | [[using]] extern int n; // expected-error {{expected identifier}} |
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| 8 | [[using foo |
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| 9 | ] // expected-error {{expected ':'}} |
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| 10 | ] extern int n; |
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| 11 | [[using 42:]] extern int n; // expected-error {{expected identifier}} |
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| 12 | [[using clang:]] extern int n; // ok |
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| 13 | [[using blah: clang::optnone]] extern int n; // expected-error {{attribute with scope specifier cannot follow}} expected-warning {{only applies to functions}} |
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| 14 | |
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| 15 | [[using clang: unknown_attr]] extern int n; // expected-warning {{unknown attribute}} |
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| 16 | [[using unknown_ns: something]] extern int n; // expected-warning {{unknown attribute}} |
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| 17 | |
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