gcc/testsuite/gcc.dg/lto/20120723_1.c

   1 /* Make sure that by reference and by value aggregate jump functions do not get
   2    mixed up.  */
   3
   4 extern void abort (void);
   5
   6 struct S
   7 {
   8   int i;
   9   void (*f)(struct S *);
  10   int j;
  11 };
  12
  13 struct E
  14 {
  15   struct S *p;
  16 };
  17
  18 extern struct S *gs;
  19 extern int gr;
  20 extern char gc[1024];
  21
  22 static __attribute__ ((noinline, noclone)) struct S *
  23 get_s (void)
  24 {
  25   return (struct S *) &gc;
  26 }
  27
  28 static void good_target (struct S *s)
  29 {
  30   gr = 0;
  31 }
  32
  33 extern void bar (struct E e);
  34
  35 void foo (struct E e)
  36 {
  37   gs->f = good_target;
  38   bar (e);
  39 }