# MutantHub mutant #3315: Logical operator mutation at script_patterns.ipp:245
# Repository: libbitcoin/libbitcoin-system @ 9fa0f9a07f31c5cc9ebe5efa05e6d4a6d12ba183
# File: include/bitcoin/system/impl/chain/script_patterns.ipp:245-245
# Review: APPROVED; outcome: SURVIVED
--- a/include/bitcoin/system/impl/chain/script_patterns.ipp
+++ b/include/bitcoin/system/impl/chain/script_patterns.ipp
@@ -245,1 +245,1 @@
-    if ((is_even(size) == within) ||
+    if ((is_even(size) == within) &&