# MutantHub mutant #3874: Relational operator mutation at operation_patterns.ipp:67
# Repository: libbitcoin/libbitcoin-system @ c37c9b73278f1f97e6eb6421f3544f5e58edba2f
# File: include/bitcoin/system/impl/chain/operation_patterns.ipp:67-67
# Review: APPROVED; outcome: KILLED
--- a/include/bitcoin/system/impl/chain/operation_patterns.ipp
+++ b/include/bitcoin/system/impl/chain/operation_patterns.ipp
@@ -67,1 +67,1 @@
-            return byte <= op_75 ? byte : zero;
+            return byte < op_75 ? byte : zero;