# MutantHub mutant #3945: Custom mutation at validation.cpp:743
# Repository: bitcoin/bitcoin @ ddea9196493d3b8fd841a36a6c53efd85dac7a05
# File: src/validation.cpp:743-743
# Review: APPROVED; outcome: SURVIVED
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -743,1 +743,1 @@
-        int64_t m_total_vsize{0};
+        uint32_t m_total_vsize{0};