# MutantHub mutant #755: Arithmetic operator mutation at descriptor.cpp:1793
# Repository: bitcoin/bitcoin @ 1aafd49077041e874d6b5f114927bc37e5b85d71
# File: src/script/descriptor.cpp:1793-1793
# Review: APPROVED; outcome: KILLED
--- a/src/script/descriptor.cpp
+++ b/src/script/descriptor.cpp
@@ -1793,1 +1793,1 @@
-        const char last = elem[elem.size() - 1];
+        const char last = elem[elem.size() + 1];