# MutantHub mutant #2991: Logical operator mutation at interpreter.ipp:1004
# Repository: libbitcoin/libbitcoin-system @ 8e7a9fdcb4ca72bc5bfe9961815aaa9bc33b64a0
# File: include/bitcoin/system/impl/machine/interpreter.ipp:1004-1004
# Review: APPROVED; outcome: KILLED
--- a/include/bitcoin/system/impl/machine/interpreter.ipp
+++ b/include/bitcoin/system/impl/machine/interpreter.ipp
@@ -1004,1 +1004,1 @@
-        ec == error::op_check_sig_empty_key ||
+        ec == error::op_check_sig_empty_key &&