https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77451
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Component|libstdc++ |c++ Resolution|--- |DUPLICATE Known to fail| |5.4.0, 6.3.0, 7.0 --- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to TC from comment #1) > This is not a libstdc++ bug. It's caused by GCC misparsing the ... in > [](auto&&...) {} (i.e., a dup of bug 64095). > > Under the mistaken parse (which is equivalent to [](auto&&, ...) {}), > std::function<void()>'s constructor correctly refuses to accept the lambda. Ah that explains it, thanks. *** This bug has been marked as a duplicate of bug 64095 ***