# MutantHub mutant #3331: Logical operator mutation at script_patterns.ipp:279
# Repository: libbitcoin/libbitcoin-system @ 9fa0f9a07f31c5cc9ebe5efa05e6d4a6d12ba183
# File: include/bitcoin/system/impl/chain/script_patterns.ipp:279-279
# Review: APPROVED; outcome: KILLED
--- a/include/bitcoin/system/impl/chain/script_patterns.ipp
+++ b/include/bitcoin/system/impl/chain/script_patterns.ipp
@@ -279,1 +279,1 @@
-        if (((op++)->data().size() != ec_xonly_size) ||
+        if (((op++)->data().size() != ec_xonly_size) &&