1/* Test constraints on unary '&': PR 22367.  */
2
3/* { dg-do compile } */
4/* { dg-options "-std=iso9899:1999 -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
12extern const void cv;
13void f3 (void) { &cv; }
14
15extern const void *pcv;
16void f4 (void) { &*pcv; } /* { dg-warning "dereferencing" } */
17