diff --git a/tests/mini/compile_ctfe_dup.d b/tests/mini/compile_ctfe_dup.d
new file mode 100644
index 00000000..f4a86a37
--- /dev/null
+++ b/tests/mini/compile_ctfe_dup.d
@@ -0,0 +1,4 @@
+char[] foobar() {
+    return "foobar".dup;
+}
+const char[] foo = foobar();