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