https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95130
--- Comment #23 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Note since MSVC 2015 runtime, printf has support %ll so ms_printf should be fixed to incldue that. https://learn.microsoft.com/en-us/cpp/c-runtime-library/format-specification-syntax-printf-and-wprintf-functions?view=msvc-140 I think for GCC 15, we should just update ms_printf to the 2015 version of what is supported ...