gcc/testsuite/gcc.dg/pr32328.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-optimized" } */
   3
   4 struct barstruct { char const* some_string; };
   5
   6 void changethepointer(struct barstruct**);
   7
   8 void baz()
   9 {
  10         struct barstruct bar1;
  11         struct barstruct* barptr = &bar1;
  12         changethepointer(&barptr);
  13         barptr->some_string = "Everything OK";
  14 }
  15
  16 /* { dg-final { scan-tree-dump "Everything OK" "optimized" } } */