From 0bf46dbe2cf0a215ca6e64793b7c434433f50722 Mon Sep 17 00:00:00 2001
From: Marek Safar <marek.safar@gmail.com>
Date: Wed, 31 Oct 2018 10:25:58 +0100
Subject: [PATCH] Fixes __MonoCS__ handling of value types

---
 .../src/System/Collections/Generic/LargeArrayBuilder.cs     | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/external/corefx/src/Common/src/System/Collections/Generic/LargeArrayBuilder.cs b/external/corefx/src/Common/src/System/Collections/Generic/LargeArrayBuilder.cs
index c0f441909dcf..8ec603ace72e 100644
--- a/external/corefx/src/Common/src/System/Collections/Generic/LargeArrayBuilder.cs
+++ b/external/corefx/src/Common/src/System/Collections/Generic/LargeArrayBuilder.cs
@@ -263,7 +263,7 @@ public CopyPosition CopyTo(CopyPosition position, T[] array, int arrayIndex, int
             T[] buffer = GetBuffer(row);
             int copied =
 #if __MonoCS__
-            CopyToCore(buffer, column, array, arrayIndex, count);
+            CopyToCore(buffer, column, array, ref arrayIndex, ref count);
 #else
             CopyToCore(buffer, column);
 #endif
@@ -278,7 +278,7 @@ public CopyPosition CopyTo(CopyPosition position, T[] array, int arrayIndex, int
                 buffer = GetBuffer(++row);
                 copied =
 #if __MonoCS__
-                CopyToCore(buffer, 0, array, arrayIndex, count);
+                CopyToCore(buffer, 0, array, ref arrayIndex, ref count);
 #else
                 CopyToCore(buffer, 0);
 #endif
@@ -289,7 +289,7 @@ public CopyPosition CopyTo(CopyPosition position, T[] array, int arrayIndex, int
 #if __MonoCS__
         }
 
-        static int CopyToCore(T[] sourceBuffer, int sourceIndex, T[] array, int arrayIndex, int count)
+        static int CopyToCore(T[] sourceBuffer, int sourceIndex, T[] array, ref int arrayIndex, ref int count)
 #else
             int CopyToCore(T[] sourceBuffer, int sourceIndex)
 #endif