http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52654
Bug #: 52654 Summary: [C++11] Warn on overflow in user-defined literals Classification: Unclassified Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassig...@gcc.gnu.org ReportedBy: marc.gli...@normalesup.org Hello, should there be a warning for this kind of overflow? (-Wall -Wextra is currently silent) int operator"" _w(unsigned long long){return 0;} int main(){ return 12345678901234567890123456789012345678901234567890_w; }