1  /* Test -Wsizeof-pointer-div warnings.  */
       2  /* { dg-do compile } */
       3  /* { dg-options "-Wall" } */
       4  
       5  int
       6  f1 (int *array)
       7  {
       8    int i;
       9    i = sizeof array / sizeof *array;		/* { dg-warning "does not compute the number of array elements" } */
      10    i += sizeof array / sizeof array[0];		/* { dg-warning "does not compute the number of array elements" } */
      11    i += sizeof(array) / sizeof(*array);		/* { dg-warning "does not compute the number of array elements" } */
      12    i += sizeof(array) / sizeof(array[0]);	/* { dg-warning "does not compute the number of array elements" } */
      13    i += (sizeof(array)) / (sizeof(array[0]));	/* { dg-warning "does not compute the number of array elements" } */
      14    i += sizeof(array) / sizeof(int);		/* { dg-warning "does not compute the number of array elements" } */
      15    i += sizeof(array) / sizeof(char);
      16    i += sizeof(*array) / sizeof(char);
      17    i += sizeof(array[0]) / sizeof(char);
      18    return i;
      19  }
      20  
      21  int
      22  f2 (void)
      23  {
      24    int array[10];
      25    int i;
      26    i = sizeof array / sizeof *array;
      27    i += sizeof array / sizeof array[0];
      28    i += sizeof(array) / sizeof(*array);
      29    i += sizeof(array) / sizeof(array[0]);
      30    i += (sizeof(array)) / (sizeof(array[0]));
      31    i += sizeof(array) / sizeof(int);
      32    i += sizeof(array) / sizeof(char);		/* { dg-warning "expression does not compute" } */
      33    i += sizeof(*array) / sizeof(char);
      34    i += sizeof(array[0]) / sizeof(char);
      35    return i;
      36  }
      37  
      38  int
      39  f3 (int a[])
      40  {
      41    return sizeof a / sizeof *a;			/* { dg-warning "Wsizeof-array-argument" } */
      42  }