# MutantHub mutant #2691: Logical operator mutation at field_5x52_impl.h:352
# Repository: bitcoin-core/secp256k1 @ a39093de15345a330fc8acbd09515fd150853bc8
# File: src/field_5x52_impl.h:352-352
# Review: APPROVED; outcome: KILLED
--- a/src/field_5x52_impl.h
+++ b/src/field_5x52_impl.h
@@ -352,1 +352,1 @@
-    VERIFY_CHECK(flag == 0 || flag == 1);
+    VERIFY_CHECK(flag == 0 && flag == 1);