| 1 | // Test this without pch. |
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| 2 | // RUN: %clang_cc1 %s -Wunknown-pragmas -Werror -triple i386-apple-darwin9 -fsyntax-only -include %s -verify -std=c++11 |
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| 3 | |
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| 4 | // Test with pch. |
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| 5 | // RUN: %clang_cc1 %s -Wunknown-pragmas -Werror -triple i386-apple-darwin9 -emit-pch -o %t -std=c++11 |
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| 6 | // RUN: %clang_cc1 %s -Wunknown-pragmas -Werror -triple i386-apple-darwin9 -fsyntax-only -include-pch %t -verify -std=c++11 |
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| 7 | |
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| 8 | // The first run line creates a pch, and since at that point HEADER is not |
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| 9 | // defined, the only thing contained in the pch is the pragma. The second line |
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| 10 | // then includes that pch, so HEADER is defined and the actual code is compiled. |
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| 11 | // The check then makes sure that the pragma is in effect in the file that |
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| 12 | // includes the pch. |
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| 13 | |
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| 14 | // expected-no-diagnostics |
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| 15 | |
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| 16 | #ifndef HEADER |
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| 17 | #define HEADER |
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| 18 | struct SOffH { |
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| 19 | short m : 9; |
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| 20 | int q : 12; |
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| 21 | }; |
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| 22 | |
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| 23 | #pragma ms_struct on |
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| 24 | |
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| 25 | struct SOnH { |
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| 26 | short m : 9; |
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| 27 | int q : 12; |
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| 28 | }; |
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| 29 | |
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| 30 | #else |
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| 31 | |
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| 32 | struct SOnC { |
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| 33 | short m : 9; |
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| 34 | int q : 12; |
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| 35 | }; |
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| 36 | |
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| 37 | static_assert(sizeof(SOffH) == 4, ""); |
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| 38 | static_assert(sizeof(SOnH) == 8, ""); |
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| 39 | static_assert(sizeof(SOnC) == 8, ""); |
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| 40 | |
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| 41 | #endif |
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| 42 | |
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