diff options
| -rw-r--r-- | src/google/protobuf/map.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/google/protobuf/map.h b/src/google/protobuf/map.h index 6f1a71e4..7f4acd0d 100644 --- a/src/google/protobuf/map.h +++ b/src/google/protobuf/map.h @@ -587,7 +587,7 @@ class Map { explicit MapAllocator(Arena* arena) : arena_(arena) {} template <typename X> MapAllocator(const MapAllocator<X>& allocator) - : arena_(allocator.arena_) {} + : arena_(allocator.arena_internal_only()) {} pointer allocate(size_type n, const_pointer hint = 0) { // If arena is not given, malloc needs to be called which doesn't @@ -650,12 +650,15 @@ class Map { return std::numeric_limits<size_type>::max(); } + // To support gcc-4.4, which does not properly + // support templated friend classes + Arena* arena_internal_only() const { + return arena_; + } + private: typedef void DestructorSkippable_; Arena* const arena_; - - template <typename X> - friend class MapAllocator; }; // InnerMap's key type is Key and its value type is value_type*. We use a |