1  #include <stdio.h>
       2  
       3  static int foo (int x) __attribute__ ((ifunc ("resolve_foo")));
       4  
       5  static int foo_impl(int x)
       6  {
       7    return x;
       8  }
       9  
      10  static void *resolve_foo (void)
      11  {
      12    return (void *) foo_impl;
      13  }
      14  
      15  int
      16  main ()
      17  {
      18    foo (0);
      19    puts ("PASS");
      20    return 0;
      21  }