https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87225
--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Shane Kerr from comment #0) > I am curious how this build ever works at all on any system! Because on most systems NULL is defined to 0 not std::nullptr_t and 0 can be implicitly converted to bool.
