From f87e5b7e74d693387f140882a427c152e85592b1 Mon Sep 17 00:00:00 2001
From: Bo Yang <teboring@google.com>
Date: Sun, 24 May 2015 00:13:26 -0700
Subject: Fix C2385: accessing parent classes' member without specifying is
 ambiguous.

---
 .gitignore                          | 9 +++++++++
 src/google/protobuf/map_field_inl.h | 9 +++++----
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/.gitignore b/.gitignore
index 38755c96..03d163a4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -90,3 +90,12 @@ objectivec/ProtocolBuffers_OSX.xcodeproj/project.xcworkspace/xcuserdata/
 objectivec/ProtocolBuffers_OSX.xcodeproj/xcuserdata/
 objectivec/ProtocolBuffers_iOS.xcodeproj/project.xcworkspace/xcuserdata/
 objectivec/ProtocolBuffers_iOS.xcodeproj/xcuserdata/
+
+# Comformance test output
+conformance/.libs/
+conformance/com/
+conformance/conformance-cpp
+conformance/conformance-test-runner
+conformance/conformance.pb.cc
+conformance/conformance.pb.h
+conformance/protoc_middleman
diff --git a/src/google/protobuf/map_field_inl.h b/src/google/protobuf/map_field_inl.h
index cbfc0c8f..5b4305f9 100644
--- a/src/google/protobuf/map_field_inl.h
+++ b/src/google/protobuf/map_field_inl.h
@@ -212,11 +212,11 @@ void
 MapField<Key, T, kKeyFieldType, kValueFieldType,
          default_enum_value>::SyncRepeatedFieldWithMapNoLock() const {
   if (repeated_field_ == NULL) {
-    if (arena_ == NULL) {
+    if (MapFieldBase::arena_ == NULL) {
       repeated_field_ = new RepeatedPtrField<Message>();
     } else {
-      repeated_field_ =
-          Arena::CreateMessage<RepeatedPtrField<Message> >(arena_);
+      repeated_field_ = Arena::CreateMessage<RepeatedPtrField<Message> >(
+          MapFieldBase::arena_);
     }
   }
   const Map<Key, T>& map = GetInternalMap();
@@ -229,7 +229,8 @@ MapField<Key, T, kKeyFieldType, kValueFieldType,
        it != map.end(); ++it) {
     InitDefaultEntryOnce();
     GOOGLE_CHECK(default_entry_ != NULL);
-    EntryType* new_entry = down_cast<EntryType*>(default_entry_->New(arena_));
+    EntryType* new_entry =
+        down_cast<EntryType*>(default_entry_->New(MapFieldBase::arena_));
     repeated_field->AddAllocated(new_entry);
     (*new_entry->mutable_key()) = it->first;
     (*new_entry->mutable_value()) = it->second;
-- 
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