added test related to issue #1263

test/misc/bug1263.c

@@ -0,0 +1,17 @@
+
+/* bug #1263 - erroneous error for implicit function declaration */
+
+#include <stdlib.h>
+
+enum E { I };
+extern int f(enum E);
+int f(e)
+  enum E e;
+{
+  return 1;
+}
+
+int main(void)
+{
+    return f(1) ? EXIT_SUCCESS : EXIT_FAILURE;
+}