[Bug c++/83160] [8 regression] lvalue required as unary ‘&’ operand

[nathan at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83160

--- Comment #5 from Nathan Sidwell <nathan at gcc dot gnu.org> ---
Author: nathan
Date: Thu Jan 18 11:53:50 2018
New Revision: 256842

URL: https://gcc.gnu.org/viewcvs?rev=256842&root=gcc&view=rev
Log:
PR c++/83160] local ref to capture

https://gcc.gnu.org/ml/gcc-patches/2018-01/msg01638.html
        PR c++/83160
        * cp-tree.h (mark_use): Declare.
        * expr.c (mark_use): Make extern.
        * call.c (direct_reference_binding): Set inner conv's
        rvaluedness_matches_p, if it is an identity.
        (convert_like_real): Mark lvalue or rvalue use for identity as
        rvaledness_matches_p demands.

        PR c++/83160
        * g++.dg/cpp0x/pr83160.C: New.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/pr83160.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/call.c
    trunk/gcc/cp/cp-tree.h
    trunk/gcc/cp/expr.c
    trunk/gcc/testsuite/ChangeLog