[Bug target/97207] [nvptx, build] nvptx.c:3539:38: error: no matching function for call to ‘swap(bracket_vec_t&, bracket_vec_t&)’

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97207

--- Comment #7 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #4)
> That swap couldn't have worked before because auto_vec eventually contains a
> pointer into itself.  So the patch has improved things from broken to
> rejected.  Rejected because while there's a move CTOR now, std::swap isn't
> happy with just that.
> 
> No idea why - Jonathan?

Because swap requires assignment, not just construction.

I don't see a libstdc++ bug here.