gcc/testsuite/gcc.dg/attr-ifunc-1.c

   1 /* { dg-do run }  */
   2 /* { dg-require-ifunc "" } */
   3 /* { dg-options "" } */
   4
   5 static int implementation (void)
   6 {
   7   __builtin_printf ("'ere I am JH\n");
   8   return 0;
   9 }
  10
  11 static __typeof__ (implementation)* resolver (void)
  12 {
  13   return implementation;
  14 }
  15
  16 extern int magic (void) __attribute__ ((ifunc ("resolver")));
  17
  18 int main ()
  19 {
  20   return magic () != 0;
  21 }