1 /* Test constraints on unary '&': PR 22367.  */
2 
3 /* { dg-do compile } */
4 /* { dg-options "-std=iso9899:1990 -pedantic-errors" } */
5 
6 extern void v;
f1(void)7 void f1 (void) { &v; } /* { dg-error "taking address of expression of type 'void'" } */
8 
9 extern void *pv;
f2(void)10 void f2 (void) { &*pv; } /* { dg-warning "dereferencing" } */
11 /* { dg-error "taking address of expression of type 'void'" "C90 only error" { target *-*-* } 10 } */
12 
13 extern const void cv;
f3(void)14 void f3 (void) { &cv; }
15 
16 extern const void *pcv;
f4(void)17 void f4 (void) { &*pcv; } /* { dg-warning "dereferencing" } */
18