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111
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1 /* PR c/21536 */
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2 /* { dg-do run } */
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3 /* { dg-options "-O2 -Wuninitialized" } */
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4
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5 typedef __SIZE_TYPE__ size_t;
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6 extern void *malloc (size_t);
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7 extern void free (void *);
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8
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9 void *
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10 foo (int x, int y)
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11 {
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12 void *d = malloc (x * y * sizeof (double));
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13 double (*e)[x][y] = d;
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14 x += 10;
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15 y += 10;
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16 if (x > 18)
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17 (*e)[x - 12][y - 12] = 0.0;
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18 else
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19 (*e)[x - 11][y - 11] = 1.0;
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20 return d;
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21 }
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22
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23 void *
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24 bar (int x, int y)
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25 {
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26 void *d = malloc (x * y * sizeof (double));
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27 struct S
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28 {
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29 double (*e)[x][y];
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30 double (*f)[x][y];
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31 } s;
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32 s.e = d;
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33 s.f = d;
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34 x += 10;
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35 y += 10;
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36 if (x > 18)
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37 (*s.e)[x - 12][y - 12] = 0.0;
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38 else
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39 (*s.e)[x - 11][y - 11] = 1.0;
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40 if (x > 16)
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41 (*s.f)[x - 13][y - 13] = 0.0;
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42 else
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43 (*s.f)[x - 14][y - 14] = 1.0;
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44 return d;
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45 }
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46
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47 int
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48 main ()
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49 {
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50 void *d1 = foo (10, 10);
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51 void *d2 = bar (10, 10);
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52 free (d1);
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53 free (d2);
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54 return 0;
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55 }
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