# MutantHub mutant #3220: Logical operator mutation at script_patterns.ipp:383
# Repository: libbitcoin/libbitcoin-system @ 98db5bfd7c7b65532e42309c7b71419d82ec5ea8
# File: include/bitcoin/system/impl/chain/script_patterns.ipp:383-383
# Review: APPROVED; outcome: KILLED
--- a/include/bitcoin/system/impl/chain/script_patterns.ipp
+++ b/include/bitcoin/system/impl/chain/script_patterns.ipp
@@ -383,1 +383,1 @@
-        && !ops.back().data().empty();
+        || !ops.back().data().empty();