gcc/testsuite/gcc.dg/torture/pr45967.c

   1 /* { dg-do run } */
   2
   3 extern void abort (void);
   4 void __attribute__((noinline,noclone))
   5 foo (void *p_)
   6 {
   7   int *p;
   8   int i;
   9   for (i = 0; i < sizeof(int *); ++i)
  10     ((char *)&p)[i] = ((char *)p_)[i];
  11   *p = 1;
  12 }
  13 int main()
  14 {
  15   int i = 0;
  16   int *p = &i;
  17   foo (&p);
  18   if (i != 1)
  19     abort ();
  20   return 0;
  21 }