From ff52d75fc084bd98befc6005ea731f9fca3bb388 Mon Sep 17 00:00:00 2001
From: coffeepots <coffeepotsgh@gmail.com>
Date: Thu, 9 Aug 2018 17:15:39 +0100
Subject: [PATCH] Fix overflowing int in 32 bit

---
 nimbus/vm/interpreter/opcodes_impl.nim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nimbus/vm/interpreter/opcodes_impl.nim b/nimbus/vm/interpreter/opcodes_impl.nim
index 4cec15e19..407fad8a2 100644
--- a/nimbus/vm/interpreter/opcodes_impl.nim
+++ b/nimbus/vm/interpreter/opcodes_impl.nim
@@ -219,7 +219,7 @@ proc writePaddedResult(mem: var Memory,
                        paddingValue = 0.byte) =
   mem.extend(memPos, len)
 
-  let dataEndPosition = dataPos + len - 1
+  let dataEndPosition = dataPos.int64 + len - 1
   if dataEndPosition < data.len:
     mem.write(memPos, data[dataPos .. dataEndPosition])
   else: