added testcase for issue #1098

test/misc/bug1098b.c

@@ -0,0 +1,13 @@
+
+/* bug #1098 Empty enumerator-list */
+
+/* The C Standard requires that something exists between the braces for 
+ * enum, struct, and union. */
+
+union {
+};
+
+int main(void)
+{
+    return 0;
+}