# MutantHub mutant #721: Arithmetic operator mutation at descriptor.cpp:1452
# Repository: bitcoin/bitcoin @ 1aafd49077041e874d6b5f114927bc37e5b85d71
# File: src/script/descriptor.cpp:1452-1452
# Review: APPROVED; outcome: SURVIVED
--- a/src/script/descriptor.cpp
+++ b/src/script/descriptor.cpp
@@ -1452,1 +1452,1 @@
-                return GetSizeOfCompactSize(*subscript_size) + *subscript_size + *sat_size;
+                return GetSizeOfCompactSize(*subscript_size) - *subscript_size + *sat_size;