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111
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1 /* PR c/65345 */
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2 /* { dg-do compile } */
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3 /* { dg-options "" } */
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4
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5 _Atomic int i = 3;
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6
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7 int a1 = sizeof (i + 1);
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8 int a2 = sizeof (i = 0);
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9 int a3 = sizeof (i++);
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10 int a4 = sizeof (i--);
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11 int a5 = sizeof (-i);
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12
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13 int b1 = _Alignof (i + 1);
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14 int b2 = _Alignof (i = 0);
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15 int b3 = _Alignof (i++);
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16 int b4 = _Alignof (i--);
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17 int b5 = _Alignof (-i);
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18
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19 int c1 = i; /* { dg-error "initializer element is not constant" } */
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20 int c2 = (i ? 1 : 2); /* { dg-error "initializer element is not constant" } */
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21 int c3[i]; /* { dg-error "variably modified" } */
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22 int c4 = 0 || i; /* { dg-error "initializer element is not constant" } */
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23 int c5 = (i += 10); /* { dg-error "initializer element is not constant" } */
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24
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25 _Static_assert (_Generic (i, int: 1, default: 0) == 1, "1");
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26 _Static_assert (_Generic (i + 1, int: 1, default: 0) == 1, "2");
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27 _Static_assert (_Generic (i = 0, int: 1, default: 0) == 1, "3");
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28 _Static_assert (_Generic (i++, int: 1, default: 0) == 1, "4");
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29 _Static_assert (_Generic (i--, int: 1, default: 0) == 1, "5");
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30
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31 void fn1 (int a[i + 1]);
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32 void fn2 (int a[i = 0]);
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33 void fn3 (int a[i++]);
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34 void fn4 (int a[i--]);
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35 void fn5 (int a[-i]);
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