# MutantHub mutant #2013: Relational operator mutation at txgraph.cpp:1606
# Repository: bitcoin/bitcoin @ ca45461ddb2421b4267dad0b7d7bcec88c07eba4
# File: src/txgraph.cpp:1606-1606
# Review: APPROVED; outcome: KILLED
--- a/src/txgraph.cpp
+++ b/src/txgraph.cpp
@@ -1606,1 +1606,1 @@
-        if (entry.m_ref != nullptr) {
+        if (entry.m_ref == nullptr) {