From 5bf71ba75ca4044fee1a96d81e4be22b3d169a97 Mon Sep 17 00:00:00 2001
From: gingerBill <bill@gingerbill.org>
Date: Mon, 11 Nov 2019 22:47:25 +0000
Subject: [PATCH] big_int addition overflow rules

---
 src/big_int.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/big_int.cpp b/src/big_int.cpp
index a24b2f28d..1db9eafa7 100644
--- a/src/big_int.cpp
+++ b/src/big_int.cpp
@@ -532,7 +532,7 @@ void big_int_add(BigInt *dst, BigInt const *x, BigInt const *y) {
 				overflow += 1;
 			} else {
 				// IMPORTANT TODO(bill): Is this mathematics correct here?
-				v += prev_overflow;
+				v += overflow;
 			}
 			dst->d.words[i] = v;
 			i += 1;