gcc/testsuite/gcc.dg/visibility-13.c

/* { dg-require-visibility "" } */
/* { dg-require-dll "" } */

extern void __attribute__((dllimport, visibility("hidden"))) 
  f1(); /* { dg-error "visibility" } */
extern void __attribute__((visibility("hidden"), dllimport)) 
  f2(); /* { dg-error "visibility" } */
extern void __attribute__((dllexport, visibility("hidden"))) 
  f3(); /* { dg-error "visibility" } */
extern void __attribute__((visibility("hidden"), dllexport)) 
  f4(); /* { dg-error "visibility" } */
extern void __attribute__((visibility("default"), dllimport))
  f5();
extern void __attribute__((dllimport, visibility("default")))
  f6();
extern void __attribute__((visibility("default"), dllexport))
  f7();
extern void __attribute__((dllexport, visibility("default")))
  f8();