From 2d6e8f096b73d99ceeb75db93ee312d42f2e7db8 Mon Sep 17 00:00:00 2001
From: Wouter van Oortmerssen <aardappel@gmail.com>
Date: Mon, 13 Feb 2017 09:49:16 -0800
Subject: [PATCH] Fixed sorting assertion with some std::sort implementations.

Change-Id: Idd925c9cc5cd2a35e06f4d832734180f5c38378e
Tested: on Linux.
---
 include/flatbuffers/flexbuffers.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/flatbuffers/flexbuffers.h b/include/flatbuffers/flexbuffers.h
index 242a53655..bd2be0def 100644
--- a/include/flatbuffers/flexbuffers.h
+++ b/include/flatbuffers/flexbuffers.h
@@ -912,7 +912,9 @@ class Builder FLATBUFFERS_FINAL_CLASS {
       auto comp = strcmp(as, bs);
       // If this assertion hits, you've added two keys with the same value to
       // this map.
-      assert(comp);
+      // TODO: Have to check for pointer equality, as some sort implementation
+      // apparently call this function with the same element?? Why?
+      assert(comp || &a == &b);
       return comp < 0;
     });
     // First create a vector out of all keys.