gcc/testsuite/gcc.dg/call-diag-2.c

   1 /* Test diagnostics for calling function returning qualified void or
   2    other incomplete type other than void.  PR 35210.  */
   3 /* { dg-do compile } */
   4 /* { dg-options "-std=gnu99 -pedantic-errors" } */
   5
   6 const void f_cv (void);
   7 struct s f_s (void);
   8 void f_v (void);
   9
  10 void g1 (void) { f_cv (); } /* { dg-error "qualified void" } */
  11 void g2 (void) { f_s (); } /* { dg-error "invalid use of undefined type" } */
  12 void g3 (void) { ((const void (*) (void)) f_v) (); } /* { dg-error "qualified void" } */
  13 /* { dg-warning "function called through a non-compatible type" "cast" { target *-*-* } .-1 } */
  14 void g4 (void) { ((struct s (*) (void)) f_v) (), (void) 0; } /* { dg-error "invalid use of undefined type" } */
  15 /* { dg-warning "function called through a non-compatible type" "cast" { target *-*-* } .-1 } */