diff --git a/demofiles/uninitialised.c b/demofiles/uninitialised.c
new file mode 100644
index 0000000..267cbbd
--- /dev/null
+++ b/demofiles/uninitialised.c
@@ -0,0 +1,5 @@
+int main()
+{
+    int a, b = a;
+    return 0;
+}