1  // { dg-do run }
       2  // { dg-options "-w -Os" }
       3  
       4  short a;
       5  int b[1];
       6  
       7  int c(int p) {
       8    return (p < 0) ? 0 : 10 + ((p / 100 - 16) / 4);
       9  }
      10  
      11  void f(int n) {
      12    while (1) {
      13      int m = n;
      14      while ((m ) )
      15        m /= 2;
      16      break;
      17    }
      18  }
      19  
      20  void g() {
      21    int h = a = 0;
      22    for (; h + a <= 0; a++) {
      23      if (b[c(a - 6)])
      24        break;
      25      f(a);
      26    }
      27  }
      28  int main() {
      29    g();
      30    if (a != 1)
      31      __builtin_abort ();
      32  }