| 1 | // Test that -Wsystem-headers works with default and custom mappings like -Werror. |
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| 2 | // Keep run lines at the bottom for line number stability. |
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| 3 | |
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| 4 | #ifdef IS_SYSHEADER |
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| 5 | #pragma clang system_header |
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| 6 | |
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| 7 | int f() { return (int)0; } // Use the old-style-cast warning as an arbitrary "ordinary" diagnostic for the purpose of testing. |
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| 8 | |
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| 9 | #warning "custom message" |
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| 10 | |
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| 11 | #if defined(A) || defined(B) |
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| 12 | // expected-warning@9 {{"custom message"}} |
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| 13 | #elif defined(C) |
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| 14 | // expected-warning@7 {{use of old-style cast}} |
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| 15 | // expected-warning@9 {{"custom message"}} |
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| 16 | #elif defined(D) |
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| 17 | // expected-error@7 {{use of old-style cast}} |
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| 18 | // expected-error@9 {{"custom message"}} |
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| 19 | #elif defined(E) |
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| 20 | // expected-error@7 {{use of old-style cast}} |
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| 21 | // expected-warning@9 {{"custom message"}} |
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| 22 | #endif |
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| 23 | |
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| 24 | #else |
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| 25 | #define IS_SYSHEADER |
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| 26 | #include __FILE__ |
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| 27 | #endif |
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| 28 | |
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| 29 | // RUN: %clang_cc1 -verify -fsyntax-only -DA %s |
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| 30 | // RUN: %clang_cc1 -verify -fsyntax-only -DB -Wold-style-cast %s |
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| 31 | // RUN: %clang_cc1 -verify -fsyntax-only -DC -Wold-style-cast -Wsystem-headers %s |
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| 32 | // RUN: %clang_cc1 -verify -fsyntax-only -DD -Wold-style-cast -Wsystem-headers -Werror %s |
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| 33 | // RUN: %clang_cc1 -verify -fsyntax-only -DE -Wold-style-cast -Wsystem-headers -Werror=old-style-cast %s |
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| 34 | |
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