[PATCH v1] PR libstdc++/84769 qualify std::get to avoid ADL

[Duarte Nunes]

PR libstdc++/84769
* include/std/variant (visit<_Visitor, _Variants...>):
Qualify call to std::get<_Np, _Types...>.

Signed-off-by: Duarte Nunes <dua...@scylladb.com>
---
 ChangeLog                        | 6 ++++++
 libstdc++-v3/include/std/variant | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index ec03a5bcdad..bf2c58aee2b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2018-05-03 Duarte Nunes <dua...@scylladb.com>
+
+PR libstdc++/84769
+       * include/std/variant (visit<_Visitor, _Variants...>):
+       Qualify call to std::get<_Np, _Types...>.
+
 2018-05-01  Francois H. Theron  <francois.the...@netronome.com>
 
        * configure.ac: Added "nfp" target.
diff --git a/libstdc++-v3/include/std/variant b/libstdc++-v3/include/std/variant
index f64c037a514..40b3b566938 100644
--- a/libstdc++-v3/include/std/variant
+++ b/libstdc++-v3/include/std/variant
@@ -1389,7 +1389,7 @@ namespace __variant
 
       using _Result_type =
        decltype(std::forward<_Visitor>(__visitor)(
-           get<0>(std::forward<_Variants>(__variants))...));
+           std::get<0>(std::forward<_Variants>(__variants))...));
 
       constexpr auto& __vtable = __detail::__variant::__gen_vtable<
        _Result_type, _Visitor&&, _Variants&&...>::_S_vtable;
-- 
2.17.0