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/* PR c++/64767 */
/* { dg-do compile } */
/* { dg-options "-Wpointer-compare" } */
/* { dg-additional-options "-std=c++03" { target c++ } } */
int
f1 (int *p, int **q)
{
int r = 0;
r += p == '\0'; /* { dg-warning "10:comparison between pointer and zero character" } */
r += p == L'\0'; /* { dg-warning "10:comparison between pointer and zero character" } */
r += p != '\0'; /* { dg-warning "10:comparison between pointer and zero character" } */
r += p != L'\0'; /* { dg-warning "10:comparison between pointer and zero character" } */
r += '\0' == p; /* { dg-warning "13:comparison between pointer and zero character" } */
r += L'\0' == p; /* { dg-warning "14:comparison between pointer and zero character" } */
r += '\0' != p; /* { dg-warning "13:comparison between pointer and zero character" } */
r += L'\0' != p; /* { dg-warning "14:comparison between pointer and zero character" } */
r += q == '\0'; /* { dg-warning "10:comparison between pointer and zero character" } */
r += q == L'\0'; /* { dg-warning "10:comparison between pointer and zero character" } */
r += q != '\0'; /* { dg-warning "10:comparison between pointer and zero character" } */
r += q != L'\0'; /* { dg-warning "10:comparison between pointer and zero character" } */
r += '\0' == q; /* { dg-warning "13:comparison between pointer and zero character" } */
r += L'\0' == q; /* { dg-warning "14:comparison between pointer and zero character" } */
r += '\0' != q; /* { dg-warning "13:comparison between pointer and zero character" } */
r += L'\0' != q; /* { dg-warning "14:comparison between pointer and zero character" } */
return r;
}
int
f2 (int *p)
{
int r = 0;
/* Keep quiet. */
r += p == (void *) 0;
r += p != (void *) 0;
r += (void *) 0 == p;
r += (void *) 0 != p;
r += p == 0;
r += p != 0;
r += 0 == p;
r += 0 != p;
return r;
}
int
f3 (int *p)
{
int r = 0;
r += p == (char) 0; /* { dg-warning "10:comparison between pointer and zero character" } */
r += p != (char) 0; /* { dg-warning "10:comparison between pointer and zero character" } */
r += (char) 0 == p; /* { dg-warning "17:comparison between pointer and zero character" } */
r += (char) 0 != p; /* { dg-warning "17:comparison between pointer and zero character" } */
return r;
}
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