gcc/testsuite/gcc.dg/c17-nullptr-2.c

   1 /* Test that we don't predefine `nullptr' pre-C2X.  */
   2 /* { dg-do compile } */
   3 /* { dg-options "-std=c17 -pedantic-errors" } */
   4
   5 int *
   6 fn (int *p)
   7 {
   8   p = nullptr; /* { dg-error "'nullptr' undeclared" } */
   9   return p;
  10 }