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111
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1 /* PR rtl-optimization/46315 */
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2 /* Reported by Magnus Granberg <zorry@gentoo.org> */
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3
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4 /* { dg-do run } */
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5 /* { dg-options "-O2 -fno-strict-overflow" } */
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6
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7 extern void abort (void);
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8
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9 static char const *
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10 parse_ranged (char const *s, int digits)
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11 {
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12 int n = 0;
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13 char const *lim = s + digits;
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14 while (s < lim)
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15 {
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16 unsigned d = *s++ - '0';
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17 if (9 < d)
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18 return 0;
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19 n = 10 * n + d;
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20 }
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21 return s && 0 <= n && n <= 59 ? s : 0;
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22 }
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23
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24 int main(void)
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25 {
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26 const char *s = "10092240";
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27
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28 s = parse_ranged (s, 2);
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29 s = parse_ranged (s, 2);
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30 s = parse_ranged (s, 2);
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31 s = parse_ranged (s, 2);
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32
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33 if (!s || *s != '\0')
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34 abort();
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35
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36 return 0;
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37 }
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