From ddc9f201f45c58ff8d94e9fec5ad22873b965adc Mon Sep 17 00:00:00 2001
From: Laurent Stacul <laurent.stacul@gmail.com>
Date: Fri, 22 Feb 2019 16:05:41 +0000
Subject: [PATCH] Fix gcc9 build error test/src/unit-allocator.cpp (Issue
 #1472)

---
 test/src/unit-allocator.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/test/src/unit-allocator.cpp b/test/src/unit-allocator.cpp
index 06d56d5ed..29ad93f5e 100644
--- a/test/src/unit-allocator.cpp
+++ b/test/src/unit-allocator.cpp
@@ -110,6 +110,11 @@ struct my_allocator : std::allocator<T>
             p->~T();
         }
     }
+
+    template <class U>
+    struct rebind {
+        using other = my_allocator<U>;
+    };
 };
 
 // allows deletion of raw pointer, usually hold by json_value