Viewing file:  Waddress-3.c (1.21 KB) -rw-r--r--
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/* PR c/102103 - missing warning comparing array address to null
{ dg-do compile }
{ dg-options "-Wall" } */
typedef _Complex float Cflt;
extern Cflt cf, cfa[], cfa2[][2];
Cflt *pcf (void);
void T (int);
void test_complex (Cflt *p, int i)
{
T (&__real__ cf == 0); // { dg-warning "address of '__real__ cf'" }
T (&__imag__ cf == 0); // { dg-warning "address of '__imag__ cf'" }
T (0 != &__real__ cf); // { dg-warning "-Waddress" }
T (0 != &__imag__ cf); // { dg-warning "-Waddress" }
T (&__real__ cfa[0] == 0); // { dg-warning "-Waddress" }
T (&__imag__ cfa[1] == 0); // { dg-warning "-Waddress" }
T (0 != &__real__ cfa2[i][i]); // { dg-warning "-Waddress" }
T (0 != &__imag__ cfa2[i][i]); // { dg-warning "-Waddress" }
T (0 == &__real__ *p); // { dg-warning "-Waddress" }
T (0 == &__imag__ *p); // { dg-warning "-Waddress" }
T (0 == &__real__ p[i]); // { dg-warning "-Waddress" }
T (0 == &__imag__ p[i]); // { dg-warning "-Waddress" }
T (&__real__ *pcf () == 0); // { dg-warning "-Waddress" }
T (0 != &__imag__ *pcf ()); // { dg-warning "-Waddress" }
}
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