1  /* { dg-do compile } */
       2  /* { dg-options "-O3 -ftree-pre" } */
       3  
       4  int f(void);
       5  void acceptloop_th(int *t) {
       6     int options = 0;
       7     if (f()) options |= 0x1 << 1;
       8     if (f()) options |= 0x1 << 2;
       9     if (f()) options |= 0x1 << 3;
      10     if (f()) options |= 0x1 << 4;
      11     if (f()) options |= 0x1 << 5;
      12     if (f()) options |= 0x1 << 6;
      13     if (f()) options |= 0x1 << 7;
      14     if (f()) options |= 0x1 << 8;
      15     if (f()) options |= 0x1 << 9;
      16     if (f()) options |= 0x1 << 10;
      17     if (f()) options |= 0x1 << 11;
      18     if (f()) options |= 0x1 << 12;
      19     if (f()) options |= 0x1 << 13;
      20     if (f()) options |= 0x1 << 14;
      21     if (f()) options |= 0x1 << 15;
      22  #if(__SIZEOF_INT__ >= 4)    
      23     if (f()) options |= 0x1 << 16;
      24     if (f()) options |= 0x1 << 17;
      25     if (f()) options |= 0x1 << 18;
      26     if (f()) options |= 0x1 << 19;
      27     if (f()) options |= 0x1 << 20;
      28     if (f()) options |= 0x1 << 21;
      29     if (f()) options |= 0x1 << 22;
      30     if (f()) options |= 0x1 << 23;
      31     if (f()) options |= 0x1 << 24;
      32     if (f()) options |= 0x1 << 25;
      33     if (f()) options |= 0x1 << 26;
      34  #endif
      35     if (f()) *t = options;
      36  }