> Are you going to issue a warning on every shift operation > for which you cannot prove that the shift count is within > the "defined behavior" range? Well no, or you could and simply have it implement "up to" the defined behavior range. However, Ulf's example seems to show that a shift never happens (although I'd like to see the code generated and cannot generate my own at this time (hurricane issues had me take down gcc/g++ dev machines). A more severe warning at least is called for here. corey
