From 46fa6c9686f4a9734830fa0f1494c2942874797d Mon Sep 17 00:00:00 2001
From: Roman Hotsiy <gotsijroman@gmail.com>
Date: Thu, 28 Jul 2016 07:51:22 +0300
Subject: [PATCH] Fix discriminator/allOf merging issue

---
 lib/services/schema-normalizer.service.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/services/schema-normalizer.service.ts b/lib/services/schema-normalizer.service.ts
index 57a54bd1..175f1016 100644
--- a/lib/services/schema-normalizer.service.ts
+++ b/lib/services/schema-normalizer.service.ts
@@ -30,6 +30,7 @@ export class SchemaNormalizer {
       let resolved = this._dereferencer.dereference(subSchema, ptr);
       if (resolved.allOf) {
         resolved._pointer = resolved._pointer || ptr;
+        resolved = Object.assign({}, resolved);
         AllOfMerger.merge(resolved, resolved.allOf, {omitParent: opts.omitParent});
       }
       return resolved;