https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79687
--- Comment #8 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Not sure, but clang++ accepts this without warning and the program returns 0.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79687
--- Comment #8 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Not sure, but clang++ accepts this without warning and the program returns 0.