# MutantHub mutant #4273: Custom mutation at validation.cpp:5169
# Repository: bitcoin/bitcoin @ ddea9196493d3b8fd841a36a6c53efd85dac7a05
# File: src/validation.cpp:5169-5169
# Review: APPROVED; outcome: KILLED
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -5169,1 +5169,1 @@
-                if (!blocks_with_unknown_parent) continue;
+                if (!blocks_with_unknown_parent) break;