From de25423a64fad024501ebc22fbef10f46332bac4 Mon Sep 17 00:00:00 2001
From: Mikhail Aksenov <maksenov@nil.foundation>
Date: Tue, 20 Aug 2024 17:06:52 +0300
Subject: [PATCH] Fix undefined behavior

---
 lib/assigner/include/zkevm_word.hpp | 4 ++--
 lib/assigner/test/assigner_test.cpp | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/assigner/include/zkevm_word.hpp b/lib/assigner/include/zkevm_word.hpp
index 5fd0884..2d3d1c7 100644
--- a/lib/assigner/include/zkevm_word.hpp
+++ b/lib/assigner/include/zkevm_word.hpp
@@ -269,9 +269,9 @@ namespace nil {
 
         template <typename BlueprintFieldType>
         std::ostream& operator<<(std::ostream& os, const zkevm_word<BlueprintFieldType>& obj){
-            const auto bytes = obj.to_uint256be().bytes;
+            const auto word = obj.to_uint256be();
             for (uint8_t i = 0; i < 32; i++) {
-                os << (int)bytes[i] << " ";
+                os << (int)word.bytes[i] << " ";
             }
             return os;
         }
diff --git a/lib/assigner/test/assigner_test.cpp b/lib/assigner/test/assigner_test.cpp
index f6088f8..6d9d60a 100644
--- a/lib/assigner/test/assigner_test.cpp
+++ b/lib/assigner/test/assigner_test.cpp
@@ -177,7 +177,7 @@ TEST_F(AssignerTest, conversions_address_to_zkevm_word)
 
 TEST_F(AssignerTest, conversions_hash_to_zkevm_word)
 {
-    ethash::hash256 hash;
+    ethash::hash256 hash {.bytes = {0}};
     hash.bytes[2] = 10;
     // conversion to zkevm_word
     auto tmp = nil::evm_assigner::zkevm_word<BlueprintFieldType>(hash);