From 3ba21cd5f724528ab8792c05bda6e06ceb557bff Mon Sep 17 00:00:00 2001
From: Peter Collingbourne <pcc@google.com>
Date: Wed, 17 Jan 2018 16:05:47 -0800
Subject: Add support for libc++ on Windows.

This disables a couple of workarounds which are only necessary with
MSVC's standard library and cause problems with libc++.
---
 src/google/protobuf/stubs/hash.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/google/protobuf/stubs')

diff --git a/src/google/protobuf/stubs/hash.h b/src/google/protobuf/stubs/hash.h
index 218cd948..ec1f9810 100644
--- a/src/google/protobuf/stubs/hash.h
+++ b/src/google/protobuf/stubs/hash.h
@@ -235,7 +235,8 @@ class hash_set : public std::set<Key, HashFcn> {
   HashFcn hash_function() const { return HashFcn(); }
 };
 
-#elif defined(_MSC_VER) && !defined(_STLPORT_VERSION)
+#elif defined(_MSC_VER) && !defined(_STLPORT_VERSION) && \
+    !(defined(_LIBCPP_STD_VER) && _LIBCPP_STD_VER >= 11)
 
 template <typename Key>
 struct hash : public GOOGLE_PROTOBUF_HASH_COMPARE<Key> {
-- 
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