gcc/testsuite/gcc.dg/lvalue-6.c

   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;
   7 void f1 (void) { &v; } /* { dg-error "taking address of expression of type 'void'" } */
   8
   9 extern void *pv;
  10 void f2 (void) { &*pv; } /* { dg-warning "dereferencing" } */
  11 /* { dg-error "taking address of expression of type 'void'" "C90 only error" { target *-*-* } .-1 } */
  12
  13 extern const void cv;
  14 void f3 (void) { &cv; }
  15
  16 extern const void *pcv;
  17 void f4 (void) { &*pcv; } /* { dg-warning "dereferencing" } */