https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67650
--- Comment #3 from Vincent <vincent.lextrait at gmail dot com> --- Created attachment 36355 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36355&action=edit Test case Compile using gcc 5.2.0: g++-5 -O1 -std=c++11 main.ii -fdevirtualize The function missing at link edition is: AN<LR<I, IE, &ET>::LLC, BLKC>::rp() Without -fdevirtualize, the function is there.