https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87950
--- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Vitali from comment #6) > Actually as of C++17 it's undefined behaviour. > > http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1766 > > so at the very least when compiled with C++17 the compiler should be smart > enough to strengthen the control flow analysis. Open a C++ bug then rather than reusing a C bug report ...
