1  /* { dg-do compile } */
       2  /* { dg-options "-fdump-tree-gimple" } */
       3  int z (int a) {
       4  	return a * -1;
       5  }
       6  
       7  int x (int a) {
       8  	return -1 * a;
       9  }
      10  
      11  int y (int a) {
      12  	return -(-1 * -a);
      13  }
      14  /* { dg-final { scan-tree-dump-times "-a" 3 "gimple" } } */