https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105460
--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to zhonghao from comment #0) > Clang's comments say there is an `unsigned int`-sized "reserved" member > here, Where is "here"? Don't just copy comments from code on GitHub and paste them as big reports, like they're your own words.