34 lines
1.2 KiB
C++
34 lines
1.2 KiB
C++
// Test that -Wsystem-headers works with default and custom mappings like -Werror.
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// Keep run lines at the bottom for line number stability.
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#ifdef IS_SYSHEADER
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#pragma clang system_header
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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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#warning "custom message"
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#if defined(A) || defined(B)
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// expected-warning@9 {{"custom message"}}
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#elif defined(C)
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// expected-warning@7 {{use of old-style cast}}
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// expected-warning@9 {{"custom message"}}
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#elif defined(D)
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// expected-error@7 {{use of old-style cast}}
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// expected-error@9 {{"custom message"}}
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#elif defined(E)
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// expected-error@7 {{use of old-style cast}}
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// expected-warning@9 {{"custom message"}}
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#endif
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#else
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#define IS_SYSHEADER
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#include __FILE__
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#endif
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// RUN: %clang_cc1 -verify -fsyntax-only -DA %s
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// RUN: %clang_cc1 -verify -fsyntax-only -DB -Wold-style-cast %s
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// RUN: %clang_cc1 -verify -fsyntax-only -DC -Wold-style-cast -Wsystem-headers %s
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// RUN: %clang_cc1 -verify -fsyntax-only -DD -Wold-style-cast -Wsystem-headers -Werror %s
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// RUN: %clang_cc1 -verify -fsyntax-only -DE -Wold-style-cast -Wsystem-headers -Werror=old-style-cast %s
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