[Bug c++/87150] [8/9 Regression] move ctor wrongly chosen in return stmt (derived vs. base)

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87150

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Perhaps that
      if (conv->kind == ck_rvalue)
        conv = next_conversion (conv);
shouldn't be done if (flags & LOOKUP_PREFER_RVALUE) or if
conv->rvaluedness_matches_p?  Just a wild guess though, that code dates back
to:
Fri Feb 13 14:55:37 1998  Jason Merrill  <ja...@yorick.cygnus.com>

        * call.c (standard_conversion): Fix multi-level ptr conversions.