llvm-project

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// Without PCH
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// RUN: %clang_cc1 -fsyntax-only -verify -triple x86_64-apple-darwin10 -fobjc-arc %s -include %s -include %s
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// With PCH
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// RUN: %clang_cc1 -fsyntax-only -verify -triple x86_64-apple-darwin10 -fobjc-arc %s -chain-include %s -chain-include %s
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// expected-no-diagnostics
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#ifndef HEADER1
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#define HEADER1
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//===----------------------------------------------------------------------===//
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// Primary header
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@interface I
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+(void)meth;
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@end
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//===----------------------------------------------------------------------===//
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#elif !defined(HEADER2)
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#define HEADER2
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#if !defined(HEADER1)
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#error Header inclusion order messed up
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#endif
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//===----------------------------------------------------------------------===//
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// Dependent header
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@interface I()
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@property (assign) id prop;
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+(void)meth2;
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@end
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//===----------------------------------------------------------------------===//
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#else
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//===----------------------------------------------------------------------===//
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void foo(I *i) {
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  [I meth];
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  [I meth2];
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  i.prop = 0;
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}
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//===----------------------------------------------------------------------===//
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#endif
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