https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67997
Marc Glisse <glisse at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID --- Comment #1 from Marc Glisse <glisse at gcc dot gnu.org> --- Well, yes, the standard changed, streams now have an explicit conversion to bool instead of a hackish conversion to void*. What do you mean by "work fine", is your goal really to print some random pointer?