diff --git a/lang/cem/ctest/ctill/noarg.cem.g b/lang/cem/ctest/ctill/noarg.cem.g
new file mode 100644
index 00000000..39921f47
--- /dev/null
+++ b/lang/cem/ctest/ctill/noarg.cem.g
@@ -0,0 +1,3 @@
+The program whose output you are comparing this file with should
+not have compiled.
+It declares a function, with an argument and without a body.