From b6f9b86998b29ecfd374fe860b77fdc72e1e411a Mon Sep 17 00:00:00 2001
From: dazraf <git@dazraf.io>
Date: Thu, 21 Mar 2019 16:05:53 +0000
Subject: [PATCH] CORDA-2772 - fix edge case when `stickTo.hashCode` return
 `Int.MIN_VALUE`

---
 .../main/kotlin/net/corda/core/internal/LazyStickyPool.kt  | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/core/src/main/kotlin/net/corda/core/internal/LazyStickyPool.kt b/core/src/main/kotlin/net/corda/core/internal/LazyStickyPool.kt
index 52ec2226ae..868997bc56 100644
--- a/core/src/main/kotlin/net/corda/core/internal/LazyStickyPool.kt
+++ b/core/src/main/kotlin/net/corda/core/internal/LazyStickyPool.kt
@@ -25,7 +25,12 @@ class LazyStickyPool<A : Any>(
     private val boxes = Array(size) { InstanceBox<A>() }
 
     private fun toIndex(stickTo: Any): Int {
-        return Math.abs(stickTo.hashCode()) % boxes.size
+        return stickTo.hashCode().let { hashCode ->
+            when (hashCode) {
+                Int.MIN_VALUE -> 0
+                else -> Math.abs(hashCode) % boxes.size
+            }
+        }
     }
 
     fun borrow(stickTo: Any): A {