gcc/testsuite/gcc.dg/c2x-nullptr-5.c

   1 /* Test that we don't lose side-effects when converting from nullptr_t.  */
   2 /* { dg-do run } */
   3 /* { dg-options "-std=c2x -pedantic-errors" } */
   4
   5 int i;
   6 nullptr_t fn () { ++i; return nullptr; }
   7
   8 int
   9 main ()
  10 {
  11   int *p = fn ();
  12   if (i != 1)
  13     __builtin_abort ();
  14 }