From 38f944bc342a45939c39a625baa5d111b004f783 Mon Sep 17 00:00:00 2001
From: Thomas Harte <thomas.harte@gmail.com>
Date: Sun, 29 Jan 2017 16:12:48 -0500
Subject: [PATCH] This needs to be a `memmove` as the areas may overlap.

---
 Outputs/CRT/Internals/ArrayBuilder.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Outputs/CRT/Internals/ArrayBuilder.cpp b/Outputs/CRT/Internals/ArrayBuilder.cpp
index 0793dc372..afda1c9b6 100644
--- a/Outputs/CRT/Internals/ArrayBuilder.cpp
+++ b/Outputs/CRT/Internals/ArrayBuilder.cpp
@@ -130,7 +130,7 @@ void ArrayBuilder::Buffer::flush()
 {
 	if(submitted_data)
 	{
-		memcpy(data.data(), &data[submitted_data], allocated_data - submitted_data);
+		memmove(data.data(), &data[submitted_data], allocated_data - submitted_data);
 		allocated_data -= submitted_data;
 		flushed_data -= submitted_data;
 		submitted_data = 0;