gcc/testsuite/gcc.c-torture/compile/pr42025-2.c

   1 typedef struct
   2 {
   3   void *p;
   4 } Ptr;
   5
   6 struct A
   7 {
   8   int i;
   9   union
  10   {
  11     Ptr p;
  12     char *q;
  13   } u;
  14 };
  15
  16 extern Ptr get_stuff (void);
  17 extern void use_stuff (char *);
  18
  19 static void foo(struct A p, char *q)
  20 {
  21   if (p.i)
  22     p.u.p = get_stuff ();
  23   else
  24     p.u.q = q;
  25
  26   use_stuff (p.u.q);
  27 }
  28
  29 void bar(struct A *p, char *q)
  30 {
  31   foo(*p, q);
  32 }