From b48c03663670614e4716819bb12aa64791df61c0 Mon Sep 17 00:00:00 2001
From: Eladash <elad3356p@gmail.com>
Date: Thu, 10 Sep 2020 19:13:56 +0300
Subject: [PATCH] Fix bitfield operator &=

---
 Utilities/BitField.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Utilities/BitField.h b/Utilities/BitField.h
index 754982c350..ec3390a391 100644
--- a/Utilities/BitField.h
+++ b/Utilities/BitField.h
@@ -147,7 +147,7 @@ struct bf_t : bf_base<T, N>
 
 	bf_t& operator &=(vtype right)
 	{
-		this->m_data &= static_cast<vtype>((static_cast<utype>(right) & bf_t::vmask) << bitpos);
+		this->m_data &= static_cast<vtype>(((static_cast<utype>(right) & bf_t::vmask) << bitpos) | ~(bf_t::vmask << bitpos));
 		return *this;
 	}