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28 lines
763 B
28 lines
763 B
4 months ago
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// RUN: %clang_cc1 -fsyntax-only -std=c99 -pedantic-errors %s
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// RUN: %clang_cc1 -fsyntax-only -std=c99 -emit-pch -o %t %s
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// RUN: %clang_cc1 -fsyntax-only -std=c99 -pedantic-errors -include-pch %t %s
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// RUN: %clang_cc1 -fsyntax-only -std=c99 -pedantic-errors -DINCLUDED %s -verify
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// This last one should warn for -Wempty-translation-unit (C99 6.9p1).
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#if defined(INCLUDED)
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// empty except for the prefix header
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#elif defined(HEADER)
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typedef int my_int;
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#define INCLUDED
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#else
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#define HEADER
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#include "empty-with-headers.c"
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// empty except for the header
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#endif
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// This should only fire if the header is not included,
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// either explicitly or as a prefix header.
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// expected-error{{ISO C requires a translation unit to contain at least one declaration}}
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