/* PR rtl-optimization/23560 */
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/* PR rtl-optimization/23560 */
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struct rtattr
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struct rtattr
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{
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{
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unsigned short rta_len;
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unsigned short rta_len;
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unsigned short rta_type;
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unsigned short rta_type;
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};
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};
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__attribute__ ((noinline))
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__attribute__ ((noinline))
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int inet_check_attr (void *r, struct rtattr **rta)
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int inet_check_attr (void *r, struct rtattr **rta)
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{
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{
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int i;
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int i;
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for (i = 1; i <= 14; i++)
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for (i = 1; i <= 14; i++)
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{
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{
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struct rtattr *attr = rta[i - 1];
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struct rtattr *attr = rta[i - 1];
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if (attr)
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if (attr)
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{
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{
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if (attr->rta_len - sizeof (struct rtattr) < 4)
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if (attr->rta_len - sizeof (struct rtattr) < 4)
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return -22;
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return -22;
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if (i != 9 && i != 8)
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if (i != 9 && i != 8)
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rta[i - 1] = attr + 1;
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rta[i - 1] = attr + 1;
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}
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}
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}
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}
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return 0;
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return 0;
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}
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}
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extern void abort (void);
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extern void abort (void);
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int
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int
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main (void)
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main (void)
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{
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{
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struct rtattr rt[2];
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struct rtattr rt[2];
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struct rtattr *rta[14];
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struct rtattr *rta[14];
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int i;
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int i;
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rt[0].rta_len = sizeof (struct rtattr) + 8;
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rt[0].rta_len = sizeof (struct rtattr) + 8;
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rt[0].rta_type = 0;
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rt[0].rta_type = 0;
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rt[1] = rt[0];
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rt[1] = rt[0];
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for (i = 0; i < 14; i++)
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for (i = 0; i < 14; i++)
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rta[i] = &rt[0];
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rta[i] = &rt[0];
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if (inet_check_attr (0, rta) != 0)
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if (inet_check_attr (0, rta) != 0)
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abort ();
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abort ();
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for (i = 0; i < 14; i++)
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for (i = 0; i < 14; i++)
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if (rta[i] != &rt[i != 7 && i != 8])
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if (rta[i] != &rt[i != 7 && i != 8])
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abort ();
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abort ();
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for (i = 0; i < 14; i++)
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for (i = 0; i < 14; i++)
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rta[i] = &rt[0];
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rta[i] = &rt[0];
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rta[1] = 0;
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rta[1] = 0;
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rt[1].rta_len -= 8;
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rt[1].rta_len -= 8;
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rta[5] = &rt[1];
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rta[5] = &rt[1];
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if (inet_check_attr (0, rta) != -22)
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if (inet_check_attr (0, rta) != -22)
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abort ();
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abort ();
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for (i = 0; i < 14; i++)
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for (i = 0; i < 14; i++)
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if (i == 1 && rta[i] != 0)
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if (i == 1 && rta[i] != 0)
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abort ();
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abort ();
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else if (i != 1 && i <= 5 && rta[i] != &rt[1])
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else if (i != 1 && i <= 5 && rta[i] != &rt[1])
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abort ();
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abort ();
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else if (i > 5 && rta[i] != &rt[0])
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else if (i > 5 && rta[i] != &rt[0])
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abort ();
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abort ();
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return 0;
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return 0;
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}
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}
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