summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.dg/ordered-comparison-2.c
blob: a99d9c32fb7bdff9e528c591d9f85c9b183024af (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
/* Test warning for ordered comparison pointer with null pointer constant. */
/* Tested with -pedantic. */
/* { dg-do compile } */
/* { dg-options "-pedantic" } */
extern void z();
void *p;

void f() {
 if (z >= 0) /* { dg-warning "ordered comparison of pointer with" } */
   z();
 if (0 >= z) /* { dg-warning "ordered comparison of pointer with" } */
    z();
 if (p >= (void*)0)
    z();
 if ((void*)0 >= p)
    z();
 if (z >= (void*)0) /* { dg-warning "distinct pointer types lacks a cast" } */
    z();
 if ((void*)0 >=z) /* { dg-warning "distinct pointer types lacks a cast" } */
    z();
}