gcc/testsuite/gcc.dg/tree-ssa/alias-13.c

   1 /* { dg-do link } */
   2 /* { dg-options "-O2" } */
   3
   4
   5 struct a
   6 {
   7   char a1;
   8 };
   9
  10 int *aa;
  11
  12 void g(int *a)
  13 {
  14   aa = a;
  15   *a = 2;
  16 }
  17
  18 int t(int i, struct a *b)
  19 {
  20   g(&i);
  21   b->a1 = 1;
  22   i = 2;
  23   if (b->a1 != 1)
  24     link_failure ();
  25 }
  26 int main(void)
  27 {
  28   struct a b;
  29   t(1, &b);
  30   return 0;
  31 }
  32
  33