https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119915
--- Comment #2 from Gaius Mulley <gaius at gcc dot gnu.org> --- Created attachment 61191 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=61191&action=edit Proposed fix which fixes %u and %x format specifiers in FormatStrings.mod Proposed patch with run time regression test.