# MutantHub mutant #3149: Relational operator mutation at script_patterns.ipp:253
# Repository: libbitcoin/libbitcoin-system @ 98db5bfd7c7b65532e42309c7b71419d82ec5ea8
# File: include/bitcoin/system/impl/chain/script_patterns.ipp:253-253
# Review: APPROVED; outcome: KILLED
--- a/include/bitcoin/system/impl/chain/script_patterns.ipp
+++ b/include/bitcoin/system/impl/chain/script_patterns.ipp
@@ -253,1 +253,1 @@
-    if ((op++)->code() != opcode::checksig)
+    if ((op++)->code() == opcode::checksig)