# MutantHub mutant #788: Arithmetic operator mutation at descriptor.cpp:1944
# Repository: bitcoin/bitcoin @ 1aafd49077041e874d6b5f114927bc37e5b85d71
# File: src/script/descriptor.cpp:1944-1944
# Review: APPROVED; outcome: KILLED
--- a/src/script/descriptor.cpp
+++ b/src/script/descriptor.cpp
@@ -1944,1 +1944,1 @@
-                std::copy(data.begin(), data.end(), fullkey + 1);
+                std::copy(data.begin(), data.end(), fullkey - 1);