gcc/testsuite/gcc.dg/torture/pr106892.c

   1 /* { dg-do run } */
   2
   3 int a, b, c, d, e;
   4 int f[8];
   5 static int g() {
   6   while (a)
   7     a >>= 4;
   8   return 0;
   9 }
  10 static int h(int i) {
  11   if (i >= '0')
  12     return i - '0';
  13   //__builtin_unreachable ();
  14 }
  15 void __attribute__((noipa)) j(int i) {
  16   for (b = 2; g() <= 7; b++)
  17     if (i) {
  18       for (; e <= 7; e++)
  19         for (c = 1; c <= 7; c++) {
  20           d = h(b + '0');
  21           f[-d + 4] ^= 3;
  22         }
  23       return;
  24     }
  25 }
  26 int main() {
  27   j(1);
  28   if (f[2] != 0)
  29     __builtin_abort ();
  30 }