1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-optimized" } */
       3  
       4  int f1(int x) { return ((x >> 8) & 6) != 0; }
       5  int f2(int x) { return ((x << 2) & 24) != 0; }
       6  int f3(unsigned x) { return ((x << 2) & 15) != 0; }
       7  int f4(unsigned x) { return ((x >> 2) & 14) != 0; }
       8  
       9  int fifth (int c)
      10  {
      11      int a = (c >> 8) & 7;
      12  
      13      if (a >= 2) {
      14  	return 1;
      15      } else {
      16  	return 0;
      17      }
      18  }
      19  /* { dg-final { scan-tree-dump-not " << " "optimized" } } */
      20  /* { dg-final { scan-tree-dump-not " >> " "optimized" } } */
      21