# MutantHub mutant #2688: Arithmetic operator mutation at field_5x52_impl.h:318
# Repository: bitcoin-core/secp256k1 @ a39093de15345a330fc8acbd09515fd150853bc8
# File: src/field_5x52_impl.h:318-318
# Review: APPROVED; outcome: KILLED
--- a/src/field_5x52_impl.h
+++ b/src/field_5x52_impl.h
@@ -318,1 +318,1 @@
-    r->n[4] = 0x0FFFFFFFFFFFFULL * 2 * (m + 1) - a->n[4];
+    r->n[4] = 0x0FFFFFFFFFFFFULL * 2 * (m + 1) + a->n[4];