https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61447
--- Comment #5 from Andreas Schwab <sch...@linux-m68k.org> --- The reference to _Alignof in 6.3.2.1 does not exist in the final version of the standard, according to Larry Jones in comp.std.c (Message-Id: <ucvm2a-hig....@jones.homeip.net> or <https://groups.google.com/d/topic/comp.std.c/v5hsWOu5vSw/discussion>).
