/* { dg-do compile } */
/* { dg-options "-O2" } */

/* PR rtl-optimization/78038.
   Make sure ree can gracefully handle extensions of the global
   variable register after a call.  */

typedef void (*test_fptr_t) (void);
void
test_f (void)
{
}
test_fptr_t test_fptr = test_f;

struct test2_s
{
  int f;
};

register struct test2_s *g __asm__("x28");

void
do_something ()
{
  test_fptr ();
  struct test2_s *p1 = 0;
  *p1 = *g;
}