diff --git a/.gitignore b/.gitignore
index 77cea935b8..9141908668 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,6 @@ __bindgen.*
 
 # Generated by C-Smith
 csmith-fuzzing/platform.info
+
+# Backups of test cases from C-Reduce
+**.orig