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152
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1 /* { dg-do run } */
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2 /* { dg-options "-O3" } */
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3
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4 unsigned char b, f;
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5 short d[1][8][1], *g = &d[0][3][0];
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6
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7 void __attribute__((noinline)) foo ()
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8 {
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9 int k[256] = { 0, 0, 0, 4, 0, 0 };
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10 for (int c = 252; c >= 0; c--)
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11 {
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12 b = f;
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13 *g = k[c + 3];
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14 k[c + 1] = 0;
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15 }
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16 for (int i = 0; i < 8; i++)
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17 if (d[0][i][0] != 0)
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18 __builtin_abort ();
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19 }
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20
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21 void __attribute__((noinline)) bar ()
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22 {
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23 int k[256] = { 0, 0, 0, 4, 0, 0 };
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24 k[255] = 4;
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25 for (int c = 0; c <=252; c++)
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26 {
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27 b = f;
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28 *g = k[c + 3];
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29 k[c + 1] = 0;
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30 }
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31 for (int i = 0; i < 8; i++)
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32 if ((i == 3 && d[0][i][0] != 4) || (i != 3 && d[0][i][0] != 0))
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33 __builtin_abort ();
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34 }
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35
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36 int main ()
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37 {
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38 foo ();
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39 bar ();
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40 return 0;
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41 }
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