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

[mpolacek at gcc dot gnu.org]

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

--- Comment #13 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Sat Sep  8 17:36:08 2018
New Revision: 264172

URL: https://gcc.gnu.org/viewcvs?rev=264172&root=gcc&view=rev
Log:
        PR c++/87150 - wrong ctor with maybe-rvalue semantics.
        * call.c (struct conversion): Update commentary.
        (standard_conversion): Set rvaluedness_matches_p if
LOOKUP_PREFER_RVALUE
        for ck_base.

        * g++.dg/cpp0x/move-return2.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/move-return2.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/call.c
    trunk/gcc/testsuite/ChangeLog