# MutantHub mutant #4363: Logical operator mutation at validation.cpp:6181
# Repository: bitcoin/bitcoin @ ddea9196493d3b8fd841a36a6c53efd85dac7a05
# File: src/validation.cpp:6181-6181
# Review: APPROVED; outcome: SURVIVED
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -6181,1 +6181,1 @@
-    if (!historical_cs && !current_cs.m_from_snapshot_blockhash) {
+    if (!historical_cs || !current_cs.m_from_snapshot_blockhash) {