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annotate gcc/testsuite/gcc.dg/c11-align-3.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
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111
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1 /* Test C11 alignment support. Test invalid code. */
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2 /* { dg-do compile } */
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3 /* { dg-options "-std=c11 -pedantic-errors" } */
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4
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5 int a = _Alignof (void (void)); /* { dg-error "function" } */
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6 struct s;
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7 int b = _Alignof (struct s); /* { dg-error "incomplete" } */
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8 int c = _Alignof (void); /* { dg-error "void" } */
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9 int d = _Alignof (a); /* { dg-error "expression" } */
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10
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11 _Alignas (void (void)) char e; /* { dg-error "function" } */
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12 _Alignas (struct s) char f; /* { dg-error "incomplete" } */
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13 _Alignas (void) char g; /* { dg-error "void" } */
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14
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15 _Alignas (-__INT_MAX__-1) char h; /* { dg-error "too large|power of 2" } */
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16 _Alignas (-__INT_MAX__) char h2; /* { dg-error "too large|power of 2" } */
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17 _Alignas ((-__INT_MAX__-1)/2) char h3; /* { dg-error "too large|power of 2" } */
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18 _Alignas ((-__INT_MAX__-1)/4) char h4; /* { dg-error "too large|power of 2" } */
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19 _Alignas ((-__INT_MAX__-1)/8) char h5; /* { dg-error "too large|power of 2" } */
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20 _Alignas (-__LONG_LONG_MAX__-1) char i; /* { dg-error "too large|power of 2" } */
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21 _Alignas (-(__LONG_LONG_MAX__-1)/2) char i2; /* { dg-error "too large|power of 2" } */
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22 _Alignas (-(__LONG_LONG_MAX__-1)/4) char i3; /* { dg-error "too large|power of 2" } */
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23 _Alignas (-(__LONG_LONG_MAX__-1)/8) char i4; /* { dg-error "too large|power of 2" } */
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24 _Alignas (-(__LONG_LONG_MAX__-1)/16) char i5; /* { dg-error "too large|power of 2" } */
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25 _Alignas (-1) char j; /* { dg-error "power of 2" } */
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26 _Alignas (-2) char j; /* { dg-error "positive power of 2" } */
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27 _Alignas (3) char k; /* { dg-error "power of 2" } */
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28
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29 _Alignas ((void *) 1) char k; /* { dg-error "integer constant" } */
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30 int x;
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31 _Alignas (x) char l; /* { dg-error "integer constant" } */
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32
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33 _Alignas (0) struct s; /* { dg-error "does not redeclare tag" } */
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34
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35 _Alignas (0) typedef int T; /* { dg-error "alignment specified for typedef" } */
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36 void func (_Alignas (0) int); /* { dg-error "alignment specified for unnamed parameter" } */
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37 void f2 (_Alignas (0) int parm2) {} /* { dg-error "alignment specified for parameter" } */
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38 void
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39 f3 (void)
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40 {
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41 register _Alignas (0) int reg; /* { dg-error "register" } */
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42 }
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43 _Alignas (0) void f4 (void); /* { dg-error "alignment specified for function" } */