rt_gccstream/gcc/testsuite/gcc.dg/ordered-comparison-1.c

22 lines
479 B
C

/* Test warning for ordered comparison pointer with null pointer constant. */
/* Tested with no warning option. */
/* { dg-do compile } */
/* { dg-options "" } */
extern void z();
void *p;
void f() {
if (z >= 0)
z();
if (0 >= z)
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();
}