# MutantHub mutant #1988: Constant replacement mutation at txgraph.cpp:1274
# Repository: bitcoin/bitcoin @ ca45461ddb2421b4267dad0b7d7bcec88c07eba4
# File: src/txgraph.cpp:1274-1274
# Review: APPROVED; outcome: KILLED
--- a/src/txgraph.cpp
+++ b/src/txgraph.cpp
@@ -1274,1 +1274,1 @@
-        m_mapping[locator.index] = GraphIndex(-1);
+        m_mapping[locator.index] = GraphIndex(-1 - 1);