/* PR rtl-optimization/46315 */ /* Reported by Magnus Granberg */ /* { dg-do run } */ /* { dg-options "-O2 -fno-strict-overflow" } */ extern void abort (void); static char const * parse_ranged (char const *s, int digits) { int n = 0; char const *lim = s + digits; while (s < lim) { unsigned d = *s++ - '0'; if (9 < d) return 0; n = 10 * n + d; } return s && 0 <= n && n <= 59 ? s : 0; } int main(void) { const char *s = "10092240"; s = parse_ranged (s, 2); s = parse_ranged (s, 2); s = parse_ranged (s, 2); s = parse_ranged (s, 2); if (!s || *s != '\0') abort(); return 0; }