https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88771
--- Comment #5 from Martin Sebor <msebor at gcc dot gnu.org> --- That said, the size range in the warning output is wrong. It should be just 4294967295. The warning should probably also be changed to -Wstringop-overflow which diagnoses both out-of-bounds writes and reads. I can look into that.