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/* Test -Wsizeof-pointer-div warnings. */
/* { dg-do compile } */
/* { dg-options "-Wall" } */
int
f1 (int *array)
{
int i;
i = sizeof array / sizeof *array; /* { dg-warning "does not compute the number of array elements" } */
i += sizeof array / sizeof array[0]; /* { dg-warning "does not compute the number of array elements" } */
i += sizeof(array) / sizeof(*array); /* { dg-warning "does not compute the number of array elements" } */
i += sizeof(array) / sizeof(array[0]); /* { dg-warning "does not compute the number of array elements" } */
i += (sizeof(array)) / (sizeof(array[0])); /* { dg-warning "does not compute the number of array elements" } */
i += sizeof(array) / sizeof(int); /* { dg-warning "does not compute the number of array elements" } */
i += sizeof(array) / sizeof(char);
i += sizeof(*array) / sizeof(char);
i += sizeof(array[0]) / sizeof(char);
return i;
}
int
f2 (void)
{
int array[10];
int i;
i = sizeof array / sizeof *array;
i += sizeof array / sizeof array[0];
i += sizeof(array) / sizeof(*array);
i += sizeof(array) / sizeof(array[0]);
i += (sizeof(array)) / (sizeof(array[0]));
i += sizeof(array) / sizeof(int);
i += sizeof(array) / sizeof(char); /* { dg-warning "expression does not compute" } */
i += sizeof(*array) / sizeof(char);
i += sizeof(array[0]) / sizeof(char);
return i;
}
int
f3 (int a[])
{
return sizeof a / sizeof *a; /* { dg-warning "Wsizeof-array-argument" } */
}
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