http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58420
--- Comment #1 from Jan Smets <jan.sm...@alcatel-lucent.com> --- This may be because of the (not yet committed) patch for ubsan vla bounds checking. http://www.mail-archive.com/gcc-patches@gcc.gnu.org/msg61427.html Probably another one for Marek Polacek. - Jan