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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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