diff --git a/test/val/bug1222.c b/test/val/bug1222.c
new file mode 100644
index 000000000..5e47e452e
--- /dev/null
+++ b/test/val/bug1222.c
@@ -0,0 +1,12 @@
+/* bug #1222 - 'sizeof' issues */
+
+#include <stdlib.h>
+
+int a[1];
+int b[sizeof ++a[42]]; /* should work as '++a[42]' is actually unevaluated */
+
+int main(void)
+{
+    return EXIT_SUCCESS;
+}
+