# MutantHub mutant #1938: Relational operator mutation at txgraph.cpp:484
# Repository: bitcoin/bitcoin @ ca45461ddb2421b4267dad0b7d7bcec88c07eba4
# File: src/txgraph.cpp:484-484
# Review: APPROVED; outcome: KILLED
--- a/src/txgraph.cpp
+++ b/src/txgraph.cpp
@@ -484,1 +484,1 @@
-            return (a != nullptr) <=> (b != nullptr);
+            return (a == nullptr) <=> (b != nullptr);