gcc/testsuite/gcc.dg/torture/pr53922.c

   1 /* { dg-do run { target { weak_undefined } } } */
   2 /* { dg-add-options weak_undefined } */
   3
   4 int x(int a)
   5 {
   6   return a;
   7 }
   8 int y(int a) __attribute__ ((weak));
   9 int g = 0;
  10 int main()
  11 {
  12   int (*scan_func)(int);
  13   if (g)
  14     scan_func = x;
  15   else
  16     scan_func = y;
  17
  18   if (scan_func)
  19     g = scan_func(10);
  20
  21   return 0;
  22 }