From ad3680b23e99b1266c61282c216ae454aded1d10 Mon Sep 17 00:00:00 2001
From: Michael Park <mcypark@gmail.com>
Date: Thu, 23 Mar 2017 06:21:24 +0000
Subject: [PATCH] Worked around GCC bug 56480. Explicit specialization in a
 different namespace.

Summary: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56480

Reviewers: EricWF

Reviewed By: EricWF

Differential Revision: https://reviews.llvm.org/D31273

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@298581 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/std/utilities/optional/optional.hash/hash.pass.cpp | 6 +++++-
 test/std/utilities/variant/variant.hash/hash.pass.cpp   | 6 +++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/test/std/utilities/optional/optional.hash/hash.pass.cpp b/test/std/utilities/optional/optional.hash/hash.pass.cpp
index 8f94d6be6..1e4088190 100644
--- a/test/std/utilities/optional/optional.hash/hash.pass.cpp
+++ b/test/std/utilities/optional/optional.hash/hash.pass.cpp
@@ -22,11 +22,15 @@
 struct A {};
 struct B {};
 
+namespace std {
+
 template <>
-struct std::hash<B> {
+struct hash<B> {
   size_t operator()(B const&) { return 0; }
 };
 
+}
+
 int main()
 {
     using std::optional;
diff --git a/test/std/utilities/variant/variant.hash/hash.pass.cpp b/test/std/utilities/variant/variant.hash/hash.pass.cpp
index 840084fe8..2ad2184f4 100644
--- a/test/std/utilities/variant/variant.hash/hash.pass.cpp
+++ b/test/std/utilities/variant/variant.hash/hash.pass.cpp
@@ -125,13 +125,17 @@ void test_hash_variant_duplicate_elements() {
 struct A {};
 struct B {};
 
+namespace std {
+
 template <>
-struct std::hash<B> {
+struct hash<B> {
   size_t operator()(B const&) const {
     return 0;
   }
 };
 
+}
+
 void test_hash_variant_enabled() {
   {
     test_hash_enabled_for_type<std::variant<int> >();