https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77451
Jonathan Wakely 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 ---
(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's constructor correctly refuses to accept the lambda.
Ah that explains it, thanks.
*** This bug has been marked as a duplicate of bug 64095 ***