Add some allocator fields GCC 6.3 seems to want

1 files changed, 6 insertions, 0 deletions

diff --git a/common/almalloc.h b/common/almalloc.h
index e021337b..b844e5fc 100644
--- a/common/almalloc.h
+++ b/common/almalloc.h
@@ -70,6 +70,12 @@ namespace al {
 template<typename T, std::size_t alignment=alignof(T)>
 struct allocator {
     using value_type = T;
+    using reference = T&;
+    using const_reference = const T&;
+    using pointer = T*;
+    using const_pointer = const T*;
+    using size_type = std::size_t;
+    using difference_type = std::ptrdiff_t;
     using is_always_equal = std::true_type;
 
     template<typename U>