[Bug c++/78495] [7 regression][new inheriting ctors] invisible-ref parm has address taken

[nathan at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78495

--- Comment #6 from Nathan Sidwell <nathan at gcc dot gnu.org> ---
Author: nathan
Date: Fri Jan 26 13:48:37 2018
New Revision: 257089

URL: https://gcc.gnu.org/viewcvs?rev=257089&root=gcc&view=rev
Log:
[C++/82878] backport fix

https://gcc.gnu.org/ml/gcc-patches/2018-01/msg02170.html
        PR c++/82878
        PR c++/78495
        * call.c (build_call_a): Don't set CALL_FROM_THUNK_P for inherited
        ctor.
        * cp-gimplify.c (cp_genericize_r): Restore THUNK dereference
        inhibibition check removed in previous c++/78495 change.

        PR c++/82878
        * g++.dg/cpp0x/pr82878.C: New.
        * g++.dg/cpp1z/inh-ctor38.C: Check moves too.

Added:
    branches/gcc-7-branch/gcc/testsuite/g++.dg/cpp0x/pr82878.C
Modified:
    branches/gcc-7-branch/gcc/cp/ChangeLog
    branches/gcc-7-branch/gcc/cp/call.c
    branches/gcc-7-branch/gcc/cp/cp-gimplify.c
    branches/gcc-7-branch/gcc/cp/lambda.c
    branches/gcc-7-branch/gcc/testsuite/ChangeLog
    branches/gcc-7-branch/gcc/testsuite/g++.dg/cpp1z/inh-ctor38.C