From d42ac98eece890e00d783ac761027324dc4159b2 Mon Sep 17 00:00:00 2001
From: Omair Majid <omajid@redhat.com>
Date: Sat, 30 Jan 2021 02:08:32 -0500
Subject: [PATCH] Use memmove instead of memcpy for overlapping copy (#47468)

memcpy is defined to only work when the source and destination memory
regions do not overlap. In here, they do. So let's use memmove instead.
---
 src/coreclr/ilasm/asmtemplates.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/coreclr/ilasm/asmtemplates.h b/src/coreclr/ilasm/asmtemplates.h
index 0393c71a4f2..37908967e2e 100644
--- a/src/coreclr/ilasm/asmtemplates.h
+++ b/src/coreclr/ilasm/asmtemplates.h
@@ -444,7 +444,7 @@ public:
                 if (cmp == 0)
                 {
                     delete (*mid);
-                    memcpy(mid,mid+1,(BYTE*)&m_Arr[m_ulOffset+m_ulCount]-(BYTE*)mid-1);
+                    memmove(mid,mid+1,(BYTE*)&m_Arr[m_ulOffset+m_ulCount]-(BYTE*)mid-1);
                     m_ulCount--;
                     return TRUE;
                 }
-- 
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