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131
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1 /* PR bootstrap/82916 */
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2 /* { dg-do run } */
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3 /* { dg-options "-O2 -fno-tree-dse" } */
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4
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5 struct A { struct A *next; };
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6 struct C
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7 {
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8 int *of;
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9 struct C *parent, *prev, *next;
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10 int depth;
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11 int min;
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12 struct C *min_occ;
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13 };
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14
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15 __attribute__((noipa)) struct C *
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16 foo (int *node)
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17 {
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18 struct A *p = __builtin_malloc (sizeof (struct C));
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19 if (!p)
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20 return 0;
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21 p->next = 0;
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22 /* Originally placement new. */
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23 struct C *nw = (struct C *)(void *)p;
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24 nw->of = node;
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25 nw->parent = 0;
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26 nw->prev = 0;
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27 nw->next = 0;
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28 nw->depth = 0;
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29 nw->min_occ = nw;
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30 nw->min = 0;
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31 return nw;
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32 }
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33
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34 int
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35 main ()
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36 {
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37 int o;
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38 struct C *p = foo (&o);
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39 if (p)
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40 {
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41 if (p->of != &o || p->parent || p->prev || p->next || p->depth
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42 || p->min || p->min_occ != p)
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43 __builtin_abort ();
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44 }
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45 __builtin_free (p);
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46 return 0;
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47 }
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