[Bug c++/67835] bug with auto-deduced return type and functions invoked via ADL

[ppalka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67835

--- Comment #2 from Patrick Palka <ppalka at gcc dot gnu.org> ---
Author: ppalka
Date: Mon Feb  8 23:02:50 2016
New Revision: 233230

URL: https://gcc.gnu.org/viewcvs?rev=233230&root=gcc&view=rev
Log:
Fix PR c++/69283 (auto deduction fails when ADL is required)

gcc/cp/ChangeLog:

        PR c++/69283
        PR c++/67835
        * decl2.c (mark_used): When given a TEMPLATE_DECL, return after
        setting its TREE_USED flag.

gcc/testsuite/ChangeLog:

        PR c++/69283
        PR c++/67835
        * g++.dg/cpp1y/auto-fn29.C: New test.
        * g++.dg/cpp1y/auto-fn30.C: New test.


Added:
    trunk/gcc/testsuite/g++.dg/cpp1y/auto-fn29.C
    trunk/gcc/testsuite/g++.dg/cpp1y/auto-fn30.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/decl2.c
    trunk/gcc/testsuite/ChangeLog