https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79833
Xi Ruoyao <ryxi at stu dot xidian.edu.cn> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ryxi at stu dot xidian.edu.cn --- Comment #1 from Xi Ruoyao <ryxi at stu dot xidian.edu.cn> --- Created attachment 40949 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40949&action=edit patch of this issue My patch to make "%y" (including "%D"), "%Y", and "%C" conforming to POSIX. If this is OK I'll send it in GCC 8 stage 1. BTW there are several other issues about non-conforming time_get. For example PR 71557, PR 71637 and PR 45896.