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1 // Test this without pch.
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2 // RUN: %clang_cc1 %s -Wunknown-pragmas -Werror -triple i386-pc-win32 -fms-extensions -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-pc-win32 -fms-extensions -emit-pch -o %t -std=c++11
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6 // RUN: %clang_cc1 %s -Wunknown-pragmas -Werror -triple i386-pc-win32 -fms-extensions -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
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19 struct S0;
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20 static_assert(sizeof(int S0::*) == 12, "");
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21
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22 struct S1;
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23 struct S2;
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24
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25 #pragma pointers_to_members(full_generality, single_inheritance)
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26
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27 static_assert(sizeof(int S1::*) == 4, "");
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28
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29 #else
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30
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31 static_assert(sizeof(int S2::*) == 4, "");
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32 static_assert(sizeof(int S0::*) == 12, "");
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33
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34 #endif
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